Merge lines from different files based on repeated first word
<p>File 'A':</p>

<pre><code>LoadA 1
LoadA 1.5
LoadB 2
LoadB 2.5
LoadC 3
LoadC 3.5
</code></pre>

<p>File 'B':</p>

<pre><code>LoadA 56%
LoadA 56.5%
LoadB 73%
LoadB 73.5%
LoadC 98%
LoadC 98.5%
</code></pre>

<p>File 'C':</p>

<pre><code>LoadA 9999
LoadA 9999.5
LoadB 4567
LoadB 4567.5
LoadC 1234
LoadC 1234.5
</code></pre>

<p>Output File:</p>

<pre><code>LoadA 1 56% 9999
LoadA 1.5 56.5% 9999.5
LoadB 2 73% 4567
LoadB 2.5 73.5% 4567.5
LoadC 3 98% 1234
LoadC 3.5 98.5% 1234.5
</code></pre>

<p>How can I do generate the above output file using basic bash tools like sed, paste, join etc. </p>