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Finding the Fourth Proportional to 232.76, 349.00 and 76.51

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Solution

The fourth proportional to 232.76, 349.00 and 76.51 is: 114.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.76 : 349.00 = 76.51 : x
  2. Step 2: Convert to fraction form
    232.76/349.00 = 76.51/x
  3. Step 3: Cross multiply
    232.76x = 349.00 × 76.51
  4. Step 4: Simplify right side
    232.76x = 26,700.44
  5. Step 5: Solve for x
    x = 26,700.44/232.76
  6. Step 6: Final answer
    x = 114.71

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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.