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Finding the Fourth Proportional to 234.67, 352.18 and 113.02

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Solution

The fourth proportional to 234.67, 352.18 and 113.02 is: 169.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.67 : 352.18 = 113.02 : x
  2. Step 2: Convert to fraction form
    234.67/352.18 = 113.02/x
  3. Step 3: Cross multiply
    234.67x = 352.18 × 113.02
  4. Step 4: Simplify right side
    234.67x = 39,803.38
  5. Step 5: Solve for x
    x = 39,803.38/234.67
  6. Step 6: Final answer
    x = 169.61

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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.