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Finding the Fourth Proportional to 87,683.20, 131,524.80 and 50,228.80

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Solution

The fourth proportional to 87,683.20, 131,524.80 and 50,228.80 is: 75,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,683.20 : 131,524.80 = 50,228.80 : x
  2. Step 2: Convert to fraction form
    87,683.20/131,524.80 = 50,228.80/x
  3. Step 3: Cross multiply
    87,683.20x = 131,524.80 × 50,228.80
  4. Step 4: Simplify right side
    87,683.20x = 6,606,332,874.24
  5. Step 5: Solve for x
    x = 6,606,332,874.24/87,683.20
  6. Step 6: Final answer
    x = 75,343.20

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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.