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Finding the Fourth Proportional to 181,092.12, 271,690.02 and 87,650.52

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Solution

The fourth proportional to 181,092.12, 271,690.02 and 87,650.52 is: 131,500.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,092.12 : 271,690.02 = 87,650.52 : x
  2. Step 2: Convert to fraction form
    181,092.12/271,690.02 = 87,650.52/x
  3. Step 3: Cross multiply
    181,092.12x = 271,690.02 × 87,650.52
  4. Step 4: Simplify right side
    181,092.12x = 23,813,771,531.81
  5. Step 5: Solve for x
    x = 23,813,771,531.81/181,092.12
  6. Step 6: Final answer
    x = 131,500.87

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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.