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Finding the Fourth Proportional to 87,661.40, 131,492.10 and 32,250.20

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Solution

The fourth proportional to 87,661.40, 131,492.10 and 32,250.20 is: 48,375.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,661.40 : 131,492.10 = 32,250.20 : x
  2. Step 2: Convert to fraction form
    87,661.40/131,492.10 = 32,250.20/x
  3. Step 3: Cross multiply
    87,661.40x = 131,492.10 × 32,250.20
  4. Step 4: Simplify right side
    87,661.40x = 4,240,646,523.42
  5. Step 5: Solve for x
    x = 4,240,646,523.42/87,661.40
  6. Step 6: Final answer
    x = 48,375.30

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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.