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Finding the Fourth Proportional to 168.29, 252.41 and 46.56

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Solution

The fourth proportional to 168.29, 252.41 and 46.56 is: 69.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.29 : 252.41 = 46.56 : x
  2. Step 2: Convert to fraction form
    168.29/252.41 = 46.56/x
  3. Step 3: Cross multiply
    168.29x = 252.41 × 46.56
  4. Step 4: Simplify right side
    168.29x = 11,751.98
  5. Step 5: Solve for x
    x = 11,751.98/168.29
  6. Step 6: Final answer
    x = 69.83

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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.