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Finding the Fourth Proportional to 296.92, 445.78 and 167.16

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Solution

The fourth proportional to 296.92, 445.78 and 167.16 is: 250.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    296.92 : 445.78 = 167.16 : x
  2. Step 2: Convert to fraction form
    296.92/445.78 = 167.16/x
  3. Step 3: Cross multiply
    296.92x = 445.78 × 167.16
  4. Step 4: Simplify right side
    296.92x = 74,516.58
  5. Step 5: Solve for x
    x = 74,516.58/296.92
  6. Step 6: Final answer
    x = 250.97

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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.