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Finding the Fourth Proportional to 168,314.76, 252,471.39 and 68,474.13

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Solution

The fourth proportional to 168,314.76, 252,471.39 and 68,474.13 is: 102,710.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,314.76 : 252,471.39 = 68,474.13 : x
  2. Step 2: Convert to fraction form
    168,314.76/252,471.39 = 68,474.13/x
  3. Step 3: Cross multiply
    168,314.76x = 252,471.39 × 68,474.13
  4. Step 4: Simplify right side
    168,314.76x = 17,287,758,780.14
  5. Step 5: Solve for x
    x = 17,287,758,780.14/168,314.76
  6. Step 6: Final answer
    x = 102,710.89

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1.5x scale

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.