Finding the Fourth Proportional to 168,588.18, 232,658.35 and 96,968.06
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Solution
The fourth proportional to 168,588.18, 232,658.35 and 96,968.06 is: 133,819.75
Step by Step Solution
- Step 1: Write the proportion equation
168,588.18 : 232,658.35 = 96,968.06 : x - Step 2: Convert to fraction form
168,588.18/232,658.35 = 96,968.06/x - Step 3: Cross multiply
168,588.18x = 232,658.35 × 96,968.06 - Step 4: Simplify right side
168,588.18x = 22,560,428,842.30 - Step 5: Solve for x
x = 22,560,428,842.30/168,588.18 - Step 6: Final answer
x = 133,819.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.