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Finding the Fourth Proportional to 73,183.54, 109,781.79 and 20,593.48

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Solution

The fourth proportional to 73,183.54, 109,781.79 and 20,593.48 is: 30,892.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,183.54 : 109,781.79 = 20,593.48 : x
  2. Step 2: Convert to fraction form
    73,183.54/109,781.79 = 20,593.48/x
  3. Step 3: Cross multiply
    73,183.54x = 109,781.79 × 20,593.48
  4. Step 4: Simplify right side
    73,183.54x = 2,260,789,096.73
  5. Step 5: Solve for x
    x = 2,260,789,096.73/73,183.54
  6. Step 6: Final answer
    x = 30,892.04

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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.