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Finding the Fourth Proportional to 178.26, 246.03 and 163.62

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Solution

The fourth proportional to 178.26, 246.03 and 163.62 is: 225.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.26 : 246.03 = 163.62 : x
  2. Step 2: Convert to fraction form
    178.26/246.03 = 163.62/x
  3. Step 3: Cross multiply
    178.26x = 246.03 × 163.62
  4. Step 4: Simplify right side
    178.26x = 40,255.43
  5. Step 5: Solve for x
    x = 40,255.43/178.26
  6. Step 6: Final answer
    x = 225.82

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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.