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Finding the Fourth Proportional to 117,306.50, 161,882.82 and 63,591.08

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Solution

The fourth proportional to 117,306.50, 161,882.82 and 63,591.08 is: 87,755.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,306.50 : 161,882.82 = 63,591.08 : x
  2. Step 2: Convert to fraction form
    117,306.50/161,882.82 = 63,591.08/x
  3. Step 3: Cross multiply
    117,306.50x = 161,882.82 × 63,591.08
  4. Step 4: Simplify right side
    117,306.50x = 10,294,302,547.83
  5. Step 5: Solve for x
    x = 10,294,302,547.83/117,306.50
  6. Step 6: Final answer
    x = 87,755.61

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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.