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Finding the Fourth Proportional to 234.22, 351.22 and 104.22

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Solution

The fourth proportional to 234.22, 351.22 and 104.22 is: 156.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.22 : 351.22 = 104.22 : x
  2. Step 2: Convert to fraction form
    234.22/351.22 = 104.22/x
  3. Step 3: Cross multiply
    234.22x = 351.22 × 104.22
  4. Step 4: Simplify right side
    234.22x = 36,604.15
  5. Step 5: Solve for x
    x = 36,604.15/234.22
  6. Step 6: Final answer
    x = 156.28

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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.