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Finding the Fourth Proportional to 234.93, 352.32 and 113.24

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Solution

The fourth proportional to 234.93, 352.32 and 113.24 is: 169.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.93 : 352.32 = 113.24 : x
  2. Step 2: Convert to fraction form
    234.93/352.32 = 113.24/x
  3. Step 3: Cross multiply
    234.93x = 352.32 × 113.24
  4. Step 4: Simplify right side
    234.93x = 39,894.96
  5. Step 5: Solve for x
    x = 39,894.96/234.93
  6. Step 6: Final answer
    x = 169.82

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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.