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Finding the Fourth Proportional to 116,714.57, 175,115.97 and 45,687.97

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Solution

The fourth proportional to 116,714.57, 175,115.97 and 45,687.97 is: 68,549.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,714.57 : 175,115.97 = 45,687.97 : x
  2. Step 2: Convert to fraction form
    116,714.57/175,115.97 = 45,687.97/x
  3. Step 3: Cross multiply
    116,714.57x = 175,115.97 × 45,687.97
  4. Step 4: Simplify right side
    116,714.57x = 8,000,692,422.52
  5. Step 5: Solve for x
    x = 8,000,692,422.52/116,714.57
  6. Step 6: Final answer
    x = 68,549.22

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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.