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Finding the Fourth Proportional to 181,291.88, 271,909.70 and 92,610.92

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Solution

The fourth proportional to 181,291.88, 271,909.70 and 92,610.92 is: 138,902.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,291.88 : 271,909.70 = 92,610.92 : x
  2. Step 2: Convert to fraction form
    181,291.88/271,909.70 = 92,610.92/x
  3. Step 3: Cross multiply
    181,291.88x = 271,909.70 × 92,610.92
  4. Step 4: Simplify right side
    181,291.88x = 25,181,807,473.92
  5. Step 5: Solve for x
    x = 25,181,807,473.92/181,291.88
  6. Step 6: Final answer
    x = 138,902.02

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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.