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Finding the Fourth Proportional to 168.62, 252.68 and 96.32

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Solution

The fourth proportional to 168.62, 252.68 and 96.32 is: 144.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.62 : 252.68 = 96.32 : x
  2. Step 2: Convert to fraction form
    168.62/252.68 = 96.32/x
  3. Step 3: Cross multiply
    168.62x = 252.68 × 96.32
  4. Step 4: Simplify right side
    168.62x = 24,336.39
  5. Step 5: Solve for x
    x = 24,336.39/168.62
  6. Step 6: Final answer
    x = 144.33

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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.