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Finding the Fourth Proportional to 229.74, 344.73 and 166.14

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Solution

The fourth proportional to 229.74, 344.73 and 166.14 is: 249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.74 : 344.73 = 166.14 : x
  2. Step 2: Convert to fraction form
    229.74/344.73 = 166.14/x
  3. Step 3: Cross multiply
    229.74x = 344.73 × 166.14
  4. Step 4: Simplify right side
    229.74x = 57,273.44
  5. Step 5: Solve for x
    x = 57,273.44/229.74
  6. Step 6: Final answer
    x = 249.30

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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.