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Finding the Fourth Proportional to 87,645.60, 131,439.60 and 32,234.40

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Solution

The fourth proportional to 87,645.60, 131,439.60 and 32,234.40 is: 48,341.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,645.60 : 131,439.60 = 32,234.40 : x
  2. Step 2: Convert to fraction form
    87,645.60/131,439.60 = 32,234.40/x
  3. Step 3: Cross multiply
    87,645.60x = 131,439.60 × 32,234.40
  4. Step 4: Simplify right side
    87,645.60x = 4,236,876,642.24
  5. Step 5: Solve for x
    x = 4,236,876,642.24/87,645.60
  6. Step 6: Final answer
    x = 48,341.01

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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.