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Finding the Fourth Proportional to 147,553.92, 220,942.08 and 88,248.96

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Solution

The fourth proportional to 147,553.92, 220,942.08 and 88,248.96 is: 132,140.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,553.92 : 220,942.08 = 88,248.96 : x
  2. Step 2: Convert to fraction form
    147,553.92/220,942.08 = 88,248.96/x
  3. Step 3: Cross multiply
    147,553.92x = 220,942.08 × 88,248.96
  4. Step 4: Simplify right side
    147,553.92x = 19,497,908,780.24
  5. Step 5: Solve for x
    x = 19,497,908,780.24/147,553.92
  6. Step 6: Final answer
    x = 132,140.91

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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.