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Finding the Fourth Proportional to 168.95, 232.87 and 133.92

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Solution

The fourth proportional to 168.95, 232.87 and 133.92 is: 184.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.95 : 232.87 = 133.92 : x
  2. Step 2: Convert to fraction form
    168.95/232.87 = 133.92/x
  3. Step 3: Cross multiply
    168.95x = 232.87 × 133.92
  4. Step 4: Simplify right side
    168.95x = 31,185.95
  5. Step 5: Solve for x
    x = 31,185.95/168.95
  6. Step 6: Final answer
    x = 184.59

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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.