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Finding the Fourth Proportional to 232.82, 349.22 and 70.50

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Solution

The fourth proportional to 232.82, 349.22 and 70.50 is: 105.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.82 : 349.22 = 70.50 : x
  2. Step 2: Convert to fraction form
    232.82/349.22 = 70.50/x
  3. Step 3: Cross multiply
    232.82x = 349.22 × 70.50
  4. Step 4: Simplify right side
    232.82x = 24,620.19
  5. Step 5: Solve for x
    x = 24,620.19/232.82
  6. Step 6: Final answer
    x = 105.75

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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.