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Finding the Fourth Proportional to 168,491.97, 252,519.80 and 68,535.27

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Solution

The fourth proportional to 168,491.97, 252,519.80 and 68,535.27 is: 102,714.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,491.97 : 252,519.80 = 68,535.27 : x
  2. Step 2: Convert to fraction form
    168,491.97/252,519.80 = 68,535.27/x
  3. Step 3: Cross multiply
    168,491.97x = 252,519.80 × 68,535.27
  4. Step 4: Simplify right side
    168,491.97x = 17,306,512,330.67
  5. Step 5: Solve for x
    x = 17,306,512,330.67/168,491.97
  6. Step 6: Final answer
    x = 102,714.17

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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.