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Finding the Fourth Proportional to 166.14, 248.22 and 165.24

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Solution

The fourth proportional to 166.14, 248.22 and 165.24 is: 246.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.14 : 248.22 = 165.24 : x
  2. Step 2: Convert to fraction form
    166.14/248.22 = 165.24/x
  3. Step 3: Cross multiply
    166.14x = 248.22 × 165.24
  4. Step 4: Simplify right side
    166.14x = 41,015.87
  5. Step 5: Solve for x
    x = 41,015.87/166.14
  6. Step 6: Final answer
    x = 246.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.