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Finding the Fourth Proportional to 88,654.44, 132,462.48 and 85,553.76

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Solution

The fourth proportional to 88,654.44, 132,462.48 and 85,553.76 is: 127,829.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,654.44 : 132,462.48 = 85,553.76 : x
  2. Step 2: Convert to fraction form
    88,654.44/132,462.48 = 85,553.76/x
  3. Step 3: Cross multiply
    88,654.44x = 132,462.48 × 85,553.76
  4. Step 4: Simplify right side
    88,654.44x = 11,332,663,222.92
  5. Step 5: Solve for x
    x = 11,332,663,222.92/88,654.44
  6. Step 6: Final answer
    x = 127,829.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.