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Finding the Fourth Proportional to 151,843.28, 227,687.02 and 88,786.60

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Solution

The fourth proportional to 151,843.28, 227,687.02 and 88,786.60 is: 133,134.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,843.28 : 227,687.02 = 88,786.60 : x
  2. Step 2: Convert to fraction form
    151,843.28/227,687.02 = 88,786.60/x
  3. Step 3: Cross multiply
    151,843.28x = 227,687.02 × 88,786.60
  4. Step 4: Simplify right side
    151,843.28x = 20,215,556,369.93
  5. Step 5: Solve for x
    x = 20,215,556,369.93/151,843.28
  6. Step 6: Final answer
    x = 133,134.35

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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.