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Finding the Fourth Proportional to 69,350.60, 104,025.90 and 52,761.80

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Solution

The fourth proportional to 69,350.60, 104,025.90 and 52,761.80 is: 79,142.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,350.60 : 104,025.90 = 52,761.80 : x
  2. Step 2: Convert to fraction form
    69,350.60/104,025.90 = 52,761.80/x
  3. Step 3: Cross multiply
    69,350.60x = 104,025.90 × 52,761.80
  4. Step 4: Simplify right side
    69,350.60x = 5,488,593,730.62
  5. Step 5: Solve for x
    x = 5,488,593,730.62/69,350.60
  6. Step 6: Final answer
    x = 79,142.70

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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.