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Finding the Fourth Proportional to 123,624.57, 185,470.13 and 63,620.34

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Solution

The fourth proportional to 123,624.57, 185,470.13 and 63,620.34 is: 95,447.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,624.57 : 185,470.13 = 63,620.34 : x
  2. Step 2: Convert to fraction form
    123,624.57/185,470.13 = 63,620.34/x
  3. Step 3: Cross multiply
    123,624.57x = 185,470.13 × 63,620.34
  4. Step 4: Simplify right side
    123,624.57x = 11,799,673,353.17
  5. Step 5: Solve for x
    x = 11,799,673,353.17/123,624.57
  6. Step 6: Final answer
    x = 95,447.64

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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.