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Finding the Fourth Proportional to 71,269.76, 106,691.67 and 43,104.62

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Solution

The fourth proportional to 71,269.76, 106,691.67 and 43,104.62 is: 64,528.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,269.76 : 106,691.67 = 43,104.62 : x
  2. Step 2: Convert to fraction form
    71,269.76/106,691.67 = 43,104.62/x
  3. Step 3: Cross multiply
    71,269.76x = 106,691.67 × 43,104.62
  4. Step 4: Simplify right side
    71,269.76x = 4,598,904,159.24
  5. Step 5: Solve for x
    x = 4,598,904,159.24/71,269.76
  6. Step 6: Final answer
    x = 64,528.13

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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.