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Finding the Fourth Proportional to 168,049.27, 231,905.01 and 91,568.89

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Solution

The fourth proportional to 168,049.27, 231,905.01 and 91,568.89 is: 126,363.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,049.27 : 231,905.01 = 91,568.89 : x
  2. Step 2: Convert to fraction form
    168,049.27/231,905.01 = 91,568.89/x
  3. Step 3: Cross multiply
    168,049.27x = 231,905.01 × 91,568.89
  4. Step 4: Simplify right side
    168,049.27x = 21,235,284,351.14
  5. Step 5: Solve for x
    x = 21,235,284,351.14/168,049.27
  6. Step 6: Final answer
    x = 126,363.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.