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Finding the Fourth Proportional to 168.46, 232.48 and 94.76

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Solution

The fourth proportional to 168.46, 232.48 and 94.76 is: 130.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.46 : 232.48 = 94.76 : x
  2. Step 2: Convert to fraction form
    168.46/232.48 = 94.76/x
  3. Step 3: Cross multiply
    168.46x = 232.48 × 94.76
  4. Step 4: Simplify right side
    168.46x = 22,029.80
  5. Step 5: Solve for x
    x = 22,029.80/168.46
  6. Step 6: Final answer
    x = 130.77

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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.