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Finding the Fourth Proportional to 151,745.48, 227,876.56 and 145,397.71

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Solution

The fourth proportional to 151,745.48, 227,876.56 and 145,397.71 is: 218,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,745.48 : 227,876.56 = 145,397.71 : x
  2. Step 2: Convert to fraction form
    151,745.48/227,876.56 = 145,397.71/x
  3. Step 3: Cross multiply
    151,745.48x = 227,876.56 × 145,397.71
  4. Step 4: Simplify right side
    151,745.48x = 33,132,729,908.03
  5. Step 5: Solve for x
    x = 33,132,729,908.03/151,745.48
  6. Step 6: Final answer
    x = 218,344.10

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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.