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Finding the Fourth Proportional to 234.02, 350.44 and 112.12

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Solution

The fourth proportional to 234.02, 350.44 and 112.12 is: 167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.02 : 350.44 = 112.12 : x
  2. Step 2: Convert to fraction form
    234.02/350.44 = 112.12/x
  3. Step 3: Cross multiply
    234.02x = 350.44 × 112.12
  4. Step 4: Simplify right side
    234.02x = 39,291.33
  5. Step 5: Solve for x
    x = 39,291.33/234.02
  6. Step 6: Final answer
    x = 167.90

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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.