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Finding the Fourth Proportional to 187,951.05, 281,856.27 and 75,593.28

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Solution

The fourth proportional to 187,951.05, 281,856.27 and 75,593.28 is: 113,361.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,951.05 : 281,856.27 = 75,593.28 : x
  2. Step 2: Convert to fraction form
    187,951.05/281,856.27 = 75,593.28/x
  3. Step 3: Cross multiply
    187,951.05x = 281,856.27 × 75,593.28
  4. Step 4: Simplify right side
    187,951.05x = 21,306,439,937.87
  5. Step 5: Solve for x
    x = 21,306,439,937.87/187,951.05
  6. Step 6: Final answer
    x = 113,361.64

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1.5x scale

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.