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Finding the Fourth Proportional to 169,286.44, 233,540.12 and 108,845.88

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Solution

The fourth proportional to 169,286.44, 233,540.12 and 108,845.88 is: 150,158.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,286.44 : 233,540.12 = 108,845.88 : x
  2. Step 2: Convert to fraction form
    169,286.44/233,540.12 = 108,845.88/x
  3. Step 3: Cross multiply
    169,286.44x = 233,540.12 × 108,845.88
  4. Step 4: Simplify right side
    169,286.44x = 25,419,879,876.71
  5. Step 5: Solve for x
    x = 25,419,879,876.71/169,286.44
  6. Step 6: Final answer
    x = 150,158.98

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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.