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Finding the Fourth Proportional to 295.28, 442.92 and 167.12

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Solution

The fourth proportional to 295.28, 442.92 and 167.12 is: 250.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.28 : 442.92 = 167.12 : x
  2. Step 2: Convert to fraction form
    295.28/442.92 = 167.12/x
  3. Step 3: Cross multiply
    295.28x = 442.92 × 167.12
  4. Step 4: Simplify right side
    295.28x = 74,020.79
  5. Step 5: Solve for x
    x = 74,020.79/295.28
  6. Step 6: Final answer
    x = 250.68

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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.