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Finding the Fourth Proportional to 168.13, 232.02 and 94.46

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Solution

The fourth proportional to 168.13, 232.02 and 94.46 is: 130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.13 : 232.02 = 94.46 : x
  2. Step 2: Convert to fraction form
    168.13/232.02 = 94.46/x
  3. Step 3: Cross multiply
    168.13x = 232.02 × 94.46
  4. Step 4: Simplify right side
    168.13x = 21,915.45
  5. Step 5: Solve for x
    x = 21,915.45/168.13
  6. Step 6: Final answer
    x = 130.35

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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.