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Finding the Fourth Proportional to 187,251.82, 280,836.15 and 54,102.94

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Solution

The fourth proportional to 187,251.82, 280,836.15 and 54,102.94 is: 81,142.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,251.82 : 280,836.15 = 54,102.94 : x
  2. Step 2: Convert to fraction form
    187,251.82/280,836.15 = 54,102.94/x
  3. Step 3: Cross multiply
    187,251.82x = 280,836.15 × 54,102.94
  4. Step 4: Simplify right side
    187,251.82x = 15,194,061,373.28
  5. Step 5: Solve for x
    x = 15,194,061,373.28/187,251.82
  6. Step 6: Final answer
    x = 81,142.40

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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.