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Finding the Fourth Proportional to 187,168.86, 280,722.15 and 54,013.37

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Solution

The fourth proportional to 187,168.86, 280,722.15 and 54,013.37 is: 81,011.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,168.86 : 280,722.15 = 54,013.37 : x
  2. Step 2: Convert to fraction form
    187,168.86/280,722.15 = 54,013.37/x
  3. Step 3: Cross multiply
    187,168.86x = 280,722.15 × 54,013.37
  4. Step 4: Simplify right side
    187,168.86x = 15,162,747,951.53
  5. Step 5: Solve for x
    x = 15,162,747,951.53/187,168.86
  6. Step 6: Final answer
    x = 81,011.06

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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.