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Finding the Fourth Proportional to 234.74, 352.16 and 119.24

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Solution

The fourth proportional to 234.74, 352.16 and 119.24 is: 178.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.74 : 352.16 = 119.24 : x
  2. Step 2: Convert to fraction form
    234.74/352.16 = 119.24/x
  3. Step 3: Cross multiply
    234.74x = 352.16 × 119.24
  4. Step 4: Simplify right side
    234.74x = 41,991.56
  5. Step 5: Solve for x
    x = 41,991.56/234.74
  6. Step 6: Final answer
    x = 178.89

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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.