Finding the Fourth Proportional to 356,648.66, 535,042.92 and 132,010.99
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Solution
The fourth proportional to 356,648.66, 535,042.92 and 132,010.99 is: 198,042.37
Step by Step Solution
- Step 1: Write the proportion equation
356,648.66 : 535,042.92 = 132,010.99 : x - Step 2: Convert to fraction form
356,648.66/535,042.92 = 132,010.99/x - Step 3: Cross multiply
356,648.66x = 535,042.92 × 132,010.99 - Step 4: Simplify right side
356,648.66x = 70,631,545,561.69 - Step 5: Solve for x
x = 70,631,545,561.69/356,648.66 - Step 6: Final answer
x = 198,042.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.