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Finding the Fourth Proportional to 234.44, 351.77 and 118.92

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Solution

The fourth proportional to 234.44, 351.77 and 118.92 is: 178.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.44 : 351.77 = 118.92 : x
  2. Step 2: Convert to fraction form
    234.44/351.77 = 118.92/x
  3. Step 3: Cross multiply
    234.44x = 351.77 × 118.92
  4. Step 4: Simplify right side
    234.44x = 41,831.89
  5. Step 5: Solve for x
    x = 41,831.89/234.44
  6. Step 6: Final answer
    x = 178.44

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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.