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Finding the Fourth Proportional to 73,871.50, 110,869.24 and 38,354.62

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Solution

The fourth proportional to 73,871.50, 110,869.24 and 38,354.62 is: 57,564.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,871.50 : 110,869.24 = 38,354.62 : x
  2. Step 2: Convert to fraction form
    73,871.50/110,869.24 = 38,354.62/x
  3. Step 3: Cross multiply
    73,871.50x = 110,869.24 × 38,354.62
  4. Step 4: Simplify right side
    73,871.50x = 4,252,347,569.89
  5. Step 5: Solve for x
    x = 4,252,347,569.89/73,871.50
  6. Step 6: Final answer
    x = 57,564.12

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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.