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Finding the Fourth Proportional to 151,838.52, 227,679.90 and 88,781.85

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Solution

The fourth proportional to 151,838.52, 227,679.90 and 88,781.85 is: 133,127.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,838.52 : 227,679.90 = 88,781.85 : x
  2. Step 2: Convert to fraction form
    151,838.52/227,679.90 = 88,781.85/x
  3. Step 3: Cross multiply
    151,838.52x = 227,679.90 × 88,781.85
  4. Step 4: Simplify right side
    151,838.52x = 20,213,842,729.82
  5. Step 5: Solve for x
    x = 20,213,842,729.82/151,838.52
  6. Step 6: Final answer
    x = 133,127.24

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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.