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Finding the Fourth Proportional to 88,358.70, 132,246.45 and 68,529.90

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Solution

The fourth proportional to 88,358.70, 132,246.45 and 68,529.90 is: 102,568.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,358.70 : 132,246.45 = 68,529.90 : x
  2. Step 2: Convert to fraction form
    88,358.70/132,246.45 = 68,529.90/x
  3. Step 3: Cross multiply
    88,358.70x = 132,246.45 × 68,529.90
  4. Step 4: Simplify right side
    88,358.70x = 9,062,835,993.86
  5. Step 5: Solve for x
    x = 9,062,835,993.86/88,358.70
  6. Step 6: Final answer
    x = 102,568.69

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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.