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Finding the Fourth Proportional to 234.97, 352.63 and 113.23

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Solution

The fourth proportional to 234.97, 352.63 and 113.23 is: 169.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.97 : 352.63 = 113.23 : x
  2. Step 2: Convert to fraction form
    234.97/352.63 = 113.23/x
  3. Step 3: Cross multiply
    234.97x = 352.63 × 113.23
  4. Step 4: Simplify right side
    234.97x = 39,928.29
  5. Step 5: Solve for x
    x = 39,928.29/234.97
  6. Step 6: Final answer
    x = 169.93

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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.