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Finding the Fourth Proportional to 166.67, 250.28 and 163.43

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Solution

The fourth proportional to 166.67, 250.28 and 163.43 is: 245.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.67 : 250.28 = 163.43 : x
  2. Step 2: Convert to fraction form
    166.67/250.28 = 163.43/x
  3. Step 3: Cross multiply
    166.67x = 250.28 × 163.43
  4. Step 4: Simplify right side
    166.67x = 40,903.26
  5. Step 5: Solve for x
    x = 40,903.26/166.67
  6. Step 6: Final answer
    x = 245.41

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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.