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Finding the Fourth Proportional to 96,078.96, 132,522.28 and 65,866.97

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Solution

The fourth proportional to 96,078.96, 132,522.28 and 65,866.97 is: 90,850.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,078.96 : 132,522.28 = 65,866.97 : x
  2. Step 2: Convert to fraction form
    96,078.96/132,522.28 = 65,866.97/x
  3. Step 3: Cross multiply
    96,078.96x = 132,522.28 × 65,866.97
  4. Step 4: Simplify right side
    96,078.96x = 8,728,841,207.73
  5. Step 5: Solve for x
    x = 8,728,841,207.73/96,078.96
  6. Step 6: Final answer
    x = 90,850.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.