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Finding the Fourth Proportional to 168.69, 232.79 and 95

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Solution

The fourth proportional to 168.69, 232.79 and 95 is: 131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.69 : 232.79 = 95 : x
  2. Step 2: Convert to fraction form
    168.69/232.79 = 95/x
  3. Step 3: Cross multiply
    168.69x = 232.79 × 95
  4. Step 4: Simplify right side
    168.69x = 22,114.58
  5. Step 5: Solve for x
    x = 22,114.58/168.69
  6. Step 6: Final answer
    x = 131.10

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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.