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Finding the Fourth Proportional to 73,869.50, 110,866.24 and 38,352.62

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Solution

The fourth proportional to 73,869.50, 110,866.24 and 38,352.62 is: 57,561.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,869.50 : 110,866.24 = 38,352.62 : x
  2. Step 2: Convert to fraction form
    73,869.50/110,866.24 = 38,352.62/x
  3. Step 3: Cross multiply
    73,869.50x = 110,866.24 × 38,352.62
  4. Step 4: Simplify right side
    73,869.50x = 4,252,010,773.55
  5. Step 5: Solve for x
    x = 4,252,010,773.55/73,869.50
  6. Step 6: Final answer
    x = 57,561.11

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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.