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Finding the Fourth Proportional to 181,229.28, 271,843.92 and 56,580.96

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Solution

The fourth proportional to 181,229.28, 271,843.92 and 56,580.96 is: 84,871.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,229.28 : 271,843.92 = 56,580.96 : x
  2. Step 2: Convert to fraction form
    181,229.28/271,843.92 = 56,580.96/x
  3. Step 3: Cross multiply
    181,229.28x = 271,843.92 × 56,580.96
  4. Step 4: Simplify right side
    181,229.28x = 15,381,189,963.76
  5. Step 5: Solve for x
    x = 15,381,189,963.76/181,229.28
  6. Step 6: Final answer
    x = 84,871.44

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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.