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Finding the Fourth Proportional to 151,638, 227,447.43 and 59,218.11

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Solution

The fourth proportional to 151,638, 227,447.43 and 59,218.11 is: 88,823.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,638 : 227,447.43 = 59,218.11 : x
  2. Step 2: Convert to fraction form
    151,638/227,447.43 = 59,218.11/x
  3. Step 3: Cross multiply
    151,638x = 227,447.43 × 59,218.11
  4. Step 4: Simplify right side
    151,638x = 13,469,006,928.96
  5. Step 5: Solve for x
    x = 13,469,006,928.96/151,638
  6. Step 6: Final answer
    x = 88,823.43

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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.