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Finding the Fourth Proportional to 234.44, 351.87 and 126.32

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Solution

The fourth proportional to 234.44, 351.87 and 126.32 is: 189.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.44 : 351.87 = 126.32 : x
  2. Step 2: Convert to fraction form
    234.44/351.87 = 126.32/x
  3. Step 3: Cross multiply
    234.44x = 351.87 × 126.32
  4. Step 4: Simplify right side
    234.44x = 44,448.22
  5. Step 5: Solve for x
    x = 44,448.22/234.44
  6. Step 6: Final answer
    x = 189.59

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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.