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Finding the Fourth Proportional to 168.32, 252.30 and 96.08

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Solution

The fourth proportional to 168.32, 252.30 and 96.08 is: 144.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.32 : 252.30 = 96.08 : x
  2. Step 2: Convert to fraction form
    168.32/252.30 = 96.08/x
  3. Step 3: Cross multiply
    168.32x = 252.30 × 96.08
  4. Step 4: Simplify right side
    168.32x = 24,240.98
  5. Step 5: Solve for x
    x = 24,240.98/168.32
  6. Step 6: Final answer
    x = 144.02

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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.