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Finding the Fourth Proportional to 359,572.02, 539,217.87 and 134,809.83

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Solution

The fourth proportional to 359,572.02, 539,217.87 and 134,809.83 is: 202,162.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,572.02 : 539,217.87 = 134,809.83 : x
  2. Step 2: Convert to fraction form
    359,572.02/539,217.87 = 134,809.83/x
  3. Step 3: Cross multiply
    359,572.02x = 539,217.87 × 134,809.83
  4. Step 4: Simplify right side
    359,572.02x = 72,691,869,387.66
  5. Step 5: Solve for x
    x = 72,691,869,387.66/359,572.02
  6. Step 6: Final answer
    x = 202,162.20

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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.