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Finding the Fourth Proportional to 179.92, 248.26 and 106.24

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Solution

The fourth proportional to 179.92, 248.26 and 106.24 is: 146.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.92 : 248.26 = 106.24 : x
  2. Step 2: Convert to fraction form
    179.92/248.26 = 106.24/x
  3. Step 3: Cross multiply
    179.92x = 248.26 × 106.24
  4. Step 4: Simplify right side
    179.92x = 26,375.14
  5. Step 5: Solve for x
    x = 26,375.14/179.92
  6. Step 6: Final answer
    x = 146.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.