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Finding the Fourth Proportional to 168.10, 252.10 and 46.37

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Solution

The fourth proportional to 168.10, 252.10 and 46.37 is: 69.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.10 : 252.10 = 46.37 : x
  2. Step 2: Convert to fraction form
    168.10/252.10 = 46.37/x
  3. Step 3: Cross multiply
    168.10x = 252.10 × 46.37
  4. Step 4: Simplify right side
    168.10x = 11,689.88
  5. Step 5: Solve for x
    x = 11,689.88/168.10
  6. Step 6: Final answer
    x = 69.54

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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.