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Finding the Fourth Proportional to 168.54, 252.82 and 96.34

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Solution

The fourth proportional to 168.54, 252.82 and 96.34 is: 144.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.54 : 252.82 = 96.34 : x
  2. Step 2: Convert to fraction form
    168.54/252.82 = 96.34/x
  3. Step 3: Cross multiply
    168.54x = 252.82 × 96.34
  4. Step 4: Simplify right side
    168.54x = 24,356.68
  5. Step 5: Solve for x
    x = 24,356.68/168.54
  6. Step 6: Final answer
    x = 144.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.