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Finding the Fourth Proportional to 87,625.80, 131,446.80 and 35,024.40

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Solution

The fourth proportional to 87,625.80, 131,446.80 and 35,024.40 is: 52,539.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,625.80 : 131,446.80 = 35,024.40 : x
  2. Step 2: Convert to fraction form
    87,625.80/131,446.80 = 35,024.40/x
  3. Step 3: Cross multiply
    87,625.80x = 131,446.80 × 35,024.40
  4. Step 4: Simplify right side
    87,625.80x = 4,603,845,301.92
  5. Step 5: Solve for x
    x = 4,603,845,301.92/87,625.80
  6. Step 6: Final answer
    x = 52,539.84

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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.