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Finding the Fourth Proportional to 232.75, 348.96 and 117.11

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Solution

The fourth proportional to 232.75, 348.96 and 117.11 is: 175.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.75 : 348.96 = 117.11 : x
  2. Step 2: Convert to fraction form
    232.75/348.96 = 117.11/x
  3. Step 3: Cross multiply
    232.75x = 348.96 × 117.11
  4. Step 4: Simplify right side
    232.75x = 40,868.09
  5. Step 5: Solve for x
    x = 40,868.09/232.75
  6. Step 6: Final answer
    x = 175.58

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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.