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Finding the Fourth Proportional to 276.22, 414.33 and 167.95

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Solution

The fourth proportional to 276.22, 414.33 and 167.95 is: 251.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    276.22 : 414.33 = 167.95 : x
  2. Step 2: Convert to fraction form
    276.22/414.33 = 167.95/x
  3. Step 3: Cross multiply
    276.22x = 414.33 × 167.95
  4. Step 4: Simplify right side
    276.22x = 69,586.72
  5. Step 5: Solve for x
    x = 69,586.72/276.22
  6. Step 6: Final answer
    x = 251.93

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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.