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Finding the Fourth Proportional to 168.17, 232.07 and 94.48

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Solution

The fourth proportional to 168.17, 232.07 and 94.48 is: 130.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.17 : 232.07 = 94.48 : x
  2. Step 2: Convert to fraction form
    168.17/232.07 = 94.48/x
  3. Step 3: Cross multiply
    168.17x = 232.07 × 94.48
  4. Step 4: Simplify right side
    168.17x = 21,925.28
  5. Step 5: Solve for x
    x = 21,925.28/168.17
  6. Step 6: Final answer
    x = 130.38

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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.