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Finding the Fourth Proportional to 101,761.92, 152,591.04 and 68,532.48

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Solution

The fourth proportional to 101,761.92, 152,591.04 and 68,532.48 is: 102,763.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,761.92 : 152,591.04 = 68,532.48 : x
  2. Step 2: Convert to fraction form
    101,761.92/152,591.04 = 68,532.48/x
  3. Step 3: Cross multiply
    101,761.92x = 152,591.04 × 68,532.48
  4. Step 4: Simplify right side
    101,761.92x = 10,457,442,396.98
  5. Step 5: Solve for x
    x = 10,457,442,396.98/101,761.92
  6. Step 6: Final answer
    x = 102,763.81

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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.