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Finding the Fourth Proportional to 67,761.92, 101,656.52 and 23,390.39

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Solution

The fourth proportional to 67,761.92, 101,656.52 and 23,390.39 is: 35,090.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,761.92 : 101,656.52 = 23,390.39 : x
  2. Step 2: Convert to fraction form
    67,761.92/101,656.52 = 23,390.39/x
  3. Step 3: Cross multiply
    67,761.92x = 101,656.52 × 23,390.39
  4. Step 4: Simplify right side
    67,761.92x = 2,377,785,023.61
  5. Step 5: Solve for x
    x = 2,377,785,023.61/67,761.92
  6. Step 6: Final answer
    x = 35,090.29

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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.