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Finding the Fourth Proportional to 232.65, 349.04 and 70.38

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Solution

The fourth proportional to 232.65, 349.04 and 70.38 is: 105.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.65 : 349.04 = 70.38 : x
  2. Step 2: Convert to fraction form
    232.65/349.04 = 70.38/x
  3. Step 3: Cross multiply
    232.65x = 349.04 × 70.38
  4. Step 4: Simplify right side
    232.65x = 24,565.44
  5. Step 5: Solve for x
    x = 24,565.44/232.65
  6. Step 6: Final answer
    x = 105.59

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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.