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Finding the Fourth Proportional to 229.44, 344.28 and 168.48

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Solution

The fourth proportional to 229.44, 344.28 and 168.48 is: 252.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.44 : 344.28 = 168.48 : x
  2. Step 2: Convert to fraction form
    229.44/344.28 = 168.48/x
  3. Step 3: Cross multiply
    229.44x = 344.28 × 168.48
  4. Step 4: Simplify right side
    229.44x = 58,004.29
  5. Step 5: Solve for x
    x = 58,004.29/229.44
  6. Step 6: Final answer
    x = 252.81

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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.