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Finding the Fourth Proportional to 91,773.60, 137,644 and 24,306.12

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Solution

The fourth proportional to 91,773.60, 137,644 and 24,306.12 is: 36,454.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,773.60 : 137,644 = 24,306.12 : x
  2. Step 2: Convert to fraction form
    91,773.60/137,644 = 24,306.12/x
  3. Step 3: Cross multiply
    91,773.60x = 137,644 × 24,306.12
  4. Step 4: Simplify right side
    91,773.60x = 3,345,591,581.28
  5. Step 5: Solve for x
    x = 3,345,591,581.28/91,773.60
  6. Step 6: Final answer
    x = 36,454.84

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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.