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Finding the Fourth Proportional to 73,567.80, 110,397.30 and 38,532.60

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Solution

The fourth proportional to 73,567.80, 110,397.30 and 38,532.60 is: 57,822.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,567.80 : 110,397.30 = 38,532.60 : x
  2. Step 2: Convert to fraction form
    73,567.80/110,397.30 = 38,532.60/x
  3. Step 3: Cross multiply
    73,567.80x = 110,397.30 × 38,532.60
  4. Step 4: Simplify right side
    73,567.80x = 4,253,895,001.98
  5. Step 5: Solve for x
    x = 4,253,895,001.98/73,567.80
  6. Step 6: Final answer
    x = 57,822.78

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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.