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Finding the Fourth Proportional to 168.60, 252.38 and 164.46

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Solution

The fourth proportional to 168.60, 252.38 and 164.46 is: 246.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.60 : 252.38 = 164.46 : x
  2. Step 2: Convert to fraction form
    168.60/252.38 = 164.46/x
  3. Step 3: Cross multiply
    168.60x = 252.38 × 164.46
  4. Step 4: Simplify right side
    168.60x = 41,506.41
  5. Step 5: Solve for x
    x = 41,506.41/168.60
  6. Step 6: Final answer
    x = 246.18

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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.