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Finding the Fourth Proportional to 179.44, 247.06 and 163.24

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Solution

The fourth proportional to 179.44, 247.06 and 163.24 is: 224.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.44 : 247.06 = 163.24 : x
  2. Step 2: Convert to fraction form
    179.44/247.06 = 163.24/x
  3. Step 3: Cross multiply
    179.44x = 247.06 × 163.24
  4. Step 4: Simplify right side
    179.44x = 40,330.07
  5. Step 5: Solve for x
    x = 40,330.07/179.44
  6. Step 6: Final answer
    x = 224.76

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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.