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Finding the Fourth Proportional to 168.35, 252.45 and 96.26

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Solution

The fourth proportional to 168.35, 252.45 and 96.26 is: 144.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.35 : 252.45 = 96.26 : x
  2. Step 2: Convert to fraction form
    168.35/252.45 = 96.26/x
  3. Step 3: Cross multiply
    168.35x = 252.45 × 96.26
  4. Step 4: Simplify right side
    168.35x = 24,299.57
  5. Step 5: Solve for x
    x = 24,299.57/168.35
  6. Step 6: Final answer
    x = 144.34

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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.