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Finding the Fourth Proportional to 87,753.60, 131,630.40 and 35,200.80

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Solution

The fourth proportional to 87,753.60, 131,630.40 and 35,200.80 is: 52,801.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,753.60 : 131,630.40 = 35,200.80 : x
  2. Step 2: Convert to fraction form
    87,753.60/131,630.40 = 35,200.80/x
  3. Step 3: Cross multiply
    87,753.60x = 131,630.40 × 35,200.80
  4. Step 4: Simplify right side
    87,753.60x = 4,633,495,384.32
  5. Step 5: Solve for x
    x = 4,633,495,384.32/87,753.60
  6. Step 6: Final answer
    x = 52,801.20

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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.