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Finding the Fourth Proportional to 151,773.20, 227,918.14 and 145,425.43

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Solution

The fourth proportional to 151,773.20, 227,918.14 and 145,425.43 is: 218,385.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,773.20 : 227,918.14 = 145,425.43 : x
  2. Step 2: Convert to fraction form
    151,773.20/227,918.14 = 145,425.43/x
  3. Step 3: Cross multiply
    151,773.20x = 227,918.14 × 145,425.43
  4. Step 4: Simplify right side
    151,773.20x = 33,145,093,514.30
  5. Step 5: Solve for x
    x = 33,145,093,514.30/151,773.20
  6. Step 6: Final answer
    x = 218,385.68

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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.