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Finding the Fourth Proportional to 187,700.57, 281,578.29 and 54,563.52

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Solution

The fourth proportional to 187,700.57, 281,578.29 and 54,563.52 is: 81,853.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,700.57 : 281,578.29 = 54,563.52 : x
  2. Step 2: Convert to fraction form
    187,700.57/281,578.29 = 54,563.52/x
  3. Step 3: Cross multiply
    187,700.57x = 281,578.29 × 54,563.52
  4. Step 4: Simplify right side
    187,700.57x = 15,363,902,657.98
  5. Step 5: Solve for x
    x = 15,363,902,657.98/187,700.57
  6. Step 6: Final answer
    x = 81,853.26

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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.