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Finding the Fourth Proportional to 187,747.92, 281,625.48 and 61,388.64

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Solution

The fourth proportional to 187,747.92, 281,625.48 and 61,388.64 is: 92,084.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,747.92 : 281,625.48 = 61,388.64 : x
  2. Step 2: Convert to fraction form
    187,747.92/281,625.48 = 61,388.64/x
  3. Step 3: Cross multiply
    187,747.92x = 281,625.48 × 61,388.64
  4. Step 4: Simplify right side
    187,747.92x = 17,288,605,206.55
  5. Step 5: Solve for x
    x = 17,288,605,206.55/187,747.92
  6. Step 6: Final answer
    x = 92,084.14

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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.