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Finding the Fourth Proportional to 67,481.13, 101,283.11 and 35,917.68

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Solution

The fourth proportional to 67,481.13, 101,283.11 and 35,917.68 is: 53,909.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,481.13 : 101,283.11 = 35,917.68 : x
  2. Step 2: Convert to fraction form
    67,481.13/101,283.11 = 35,917.68/x
  3. Step 3: Cross multiply
    67,481.13x = 101,283.11 × 35,917.68
  4. Step 4: Simplify right side
    67,481.13x = 3,637,854,154.80
  5. Step 5: Solve for x
    x = 3,637,854,154.80/67,481.13
  6. Step 6: Final answer
    x = 53,909.21

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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.