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Finding the Fourth Proportional to 197.76, 296.16 and 167.04

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Solution

The fourth proportional to 197.76, 296.16 and 167.04 is: 250.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.76 : 296.16 = 167.04 : x
  2. Step 2: Convert to fraction form
    197.76/296.16 = 167.04/x
  3. Step 3: Cross multiply
    197.76x = 296.16 × 167.04
  4. Step 4: Simplify right side
    197.76x = 49,470.57
  5. Step 5: Solve for x
    x = 49,470.57/197.76
  6. Step 6: Final answer
    x = 250.15

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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.