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Finding the Fourth Proportional to 73,487.60, 110,269.20 and 36,047.12

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Solution

The fourth proportional to 73,487.60, 110,269.20 and 36,047.12 is: 54,089.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,487.60 : 110,269.20 = 36,047.12 : x
  2. Step 2: Convert to fraction form
    73,487.60/110,269.20 = 36,047.12/x
  3. Step 3: Cross multiply
    73,487.60x = 110,269.20 × 36,047.12
  4. Step 4: Simplify right side
    73,487.60x = 3,974,887,084.70
  5. Step 5: Solve for x
    x = 3,974,887,084.70/73,487.60
  6. Step 6: Final answer
    x = 54,089.22

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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.