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Finding the Fourth Proportional to 181,781.83, 272,546.22 and 80,524.90

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Solution

The fourth proportional to 181,781.83, 272,546.22 and 80,524.90 is: 120,731.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,781.83 : 272,546.22 = 80,524.90 : x
  2. Step 2: Convert to fraction form
    181,781.83/272,546.22 = 80,524.90/x
  3. Step 3: Cross multiply
    181,781.83x = 272,546.22 × 80,524.90
  4. Step 4: Simplify right side
    181,781.83x = 21,946,757,110.88
  5. Step 5: Solve for x
    x = 21,946,757,110.88/181,781.83
  6. Step 6: Final answer
    x = 120,731.30

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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.