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Finding the Fourth Proportional to 234.84, 352.16 and 113.02

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Solution

The fourth proportional to 234.84, 352.16 and 113.02 is: 169.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.84 : 352.16 = 113.02 : x
  2. Step 2: Convert to fraction form
    234.84/352.16 = 113.02/x
  3. Step 3: Cross multiply
    234.84x = 352.16 × 113.02
  4. Step 4: Simplify right side
    234.84x = 39,801.12
  5. Step 5: Solve for x
    x = 39,801.12/234.84
  6. Step 6: Final answer
    x = 169.48

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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.