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Finding the Fourth Proportional to 88,452.97, 132,568.69 and 69,658.78

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Solution

The fourth proportional to 88,452.97, 132,568.69 and 69,658.78 is: 104,400.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,452.97 : 132,568.69 = 69,658.78 : x
  2. Step 2: Convert to fraction form
    88,452.97/132,568.69 = 69,658.78/x
  3. Step 3: Cross multiply
    88,452.97x = 132,568.69 × 69,658.78
  4. Step 4: Simplify right side
    88,452.97x = 9,234,573,211.60
  5. Step 5: Solve for x
    x = 9,234,573,211.60/88,452.97
  6. Step 6: Final answer
    x = 104,400.94

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1.5x scale

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.