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Finding the Fourth Proportional to 181,197.76, 271,672.62 and 92,279.20

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Solution

The fourth proportional to 181,197.76, 271,672.62 and 92,279.20 is: 138,355.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,197.76 : 271,672.62 = 92,279.20 : x
  2. Step 2: Convert to fraction form
    181,197.76/271,672.62 = 92,279.20/x
  3. Step 3: Cross multiply
    181,197.76x = 271,672.62 × 92,279.20
  4. Step 4: Simplify right side
    181,197.76x = 25,069,732,035.50
  5. Step 5: Solve for x
    x = 25,069,732,035.50/181,197.76
  6. Step 6: Final answer
    x = 138,355.64

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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.