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Finding the Fourth Proportional to 87,625.60, 131,409.60 and 32,214.40

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Solution

The fourth proportional to 87,625.60, 131,409.60 and 32,214.40 is: 48,311.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,625.60 : 131,409.60 = 32,214.40 : x
  2. Step 2: Convert to fraction form
    87,625.60/131,409.60 = 32,214.40/x
  3. Step 3: Cross multiply
    87,625.60x = 131,409.60 × 32,214.40
  4. Step 4: Simplify right side
    87,625.60x = 4,233,281,418.24
  5. Step 5: Solve for x
    x = 4,233,281,418.24/87,625.60
  6. Step 6: Final answer
    x = 48,311.01

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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.