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Finding the Fourth Proportional to 87,474.93, 120,693.96 and 49,227

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Solution

The fourth proportional to 87,474.93, 120,693.96 and 49,227 is: 67,921.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,474.93 : 120,693.96 = 49,227 : x
  2. Step 2: Convert to fraction form
    87,474.93/120,693.96 = 49,227/x
  3. Step 3: Cross multiply
    87,474.93x = 120,693.96 × 49,227
  4. Step 4: Simplify right side
    87,474.93x = 5,941,401,568.92
  5. Step 5: Solve for x
    x = 5,941,401,568.92/87,474.93
  6. Step 6: Final answer
    x = 67,921.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.