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Finding the Fourth Proportional to 168.26, 232.20 and 94.57

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Solution

The fourth proportional to 168.26, 232.20 and 94.57 is: 130.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.26 : 232.20 = 94.57 : x
  2. Step 2: Convert to fraction form
    168.26/232.20 = 94.57/x
  3. Step 3: Cross multiply
    168.26x = 232.20 × 94.57
  4. Step 4: Simplify right side
    168.26x = 21,958.57
  5. Step 5: Solve for x
    x = 21,958.57/168.26
  6. Step 6: Final answer
    x = 130.51

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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.