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Finding the Fourth Proportional to 87,962.40, 131,792.40 and 41,119.20

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Solution

The fourth proportional to 87,962.40, 131,792.40 and 41,119.20 is: 61,608.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,962.40 : 131,792.40 = 41,119.20 : x
  2. Step 2: Convert to fraction form
    87,962.40/131,792.40 = 41,119.20/x
  3. Step 3: Cross multiply
    87,962.40x = 131,792.40 × 41,119.20
  4. Step 4: Simplify right side
    87,962.40x = 5,419,198,054.08
  5. Step 5: Solve for x
    x = 5,419,198,054.08/87,962.40
  6. Step 6: Final answer
    x = 61,608.12

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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.