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Finding the Fourth Proportional to 234.70, 351.75 and 166.24

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Solution

The fourth proportional to 234.70, 351.75 and 166.24 is: 249.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.70 : 351.75 = 166.24 : x
  2. Step 2: Convert to fraction form
    234.70/351.75 = 166.24/x
  3. Step 3: Cross multiply
    234.70x = 351.75 × 166.24
  4. Step 4: Simplify right side
    234.70x = 58,473.54
  5. Step 5: Solve for x
    x = 58,473.54/234.70
  6. Step 6: Final answer
    x = 249.14

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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.