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Finding the Fourth Proportional to 168.64, 232.71 and 94.95

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Solution

The fourth proportional to 168.64, 232.71 and 94.95 is: 131.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.64 : 232.71 = 94.95 : x
  2. Step 2: Convert to fraction form
    168.64/232.71 = 94.95/x
  3. Step 3: Cross multiply
    168.64x = 232.71 × 94.95
  4. Step 4: Simplify right side
    168.64x = 22,095.34
  5. Step 5: Solve for x
    x = 22,095.34/168.64
  6. Step 6: Final answer
    x = 131.02

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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.