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Finding the Fourth Proportional to 187,714.33, 281,569.12 and 45,560.79

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Solution

The fourth proportional to 187,714.33, 281,569.12 and 45,560.79 is: 68,340.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,714.33 : 281,569.12 = 45,560.79 : x
  2. Step 2: Convert to fraction form
    187,714.33/281,569.12 = 45,560.79/x
  3. Step 3: Cross multiply
    187,714.33x = 281,569.12 × 45,560.79
  4. Step 4: Simplify right side
    187,714.33x = 12,828,511,546.80
  5. Step 5: Solve for x
    x = 12,828,511,546.80/187,714.33
  6. Step 6: Final answer
    x = 68,340.61

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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.