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Finding the Fourth Proportional to 234.90, 352.62 and 163.08

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Solution

The fourth proportional to 234.90, 352.62 and 163.08 is: 244.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.90 : 352.62 = 163.08 : x
  2. Step 2: Convert to fraction form
    234.90/352.62 = 163.08/x
  3. Step 3: Cross multiply
    234.90x = 352.62 × 163.08
  4. Step 4: Simplify right side
    234.90x = 57,505.27
  5. Step 5: Solve for x
    x = 57,505.27/234.90
  6. Step 6: Final answer
    x = 244.81

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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.