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Finding the Fourth Proportional to 198.24, 296.94 and 167.34

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Solution

The fourth proportional to 198.24, 296.94 and 167.34 is: 250.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    198.24 : 296.94 = 167.34 : x
  2. Step 2: Convert to fraction form
    198.24/296.94 = 167.34/x
  3. Step 3: Cross multiply
    198.24x = 296.94 × 167.34
  4. Step 4: Simplify right side
    198.24x = 49,689.94
  5. Step 5: Solve for x
    x = 49,689.94/198.24
  6. Step 6: Final answer
    x = 250.66

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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.