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Finding the Fourth Proportional to 67,761.52, 101,649.18 and 23,388.16

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Solution

The fourth proportional to 67,761.52, 101,649.18 and 23,388.16 is: 35,084.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,761.52 : 101,649.18 = 23,388.16 : x
  2. Step 2: Convert to fraction form
    67,761.52/101,649.18 = 23,388.16/x
  3. Step 3: Cross multiply
    67,761.52x = 101,649.18 × 23,388.16
  4. Step 4: Simplify right side
    67,761.52x = 2,377,387,285.71
  5. Step 5: Solve for x
    x = 2,377,387,285.71/67,761.52
  6. Step 6: Final answer
    x = 35,084.62

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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.