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Finding the Fourth Proportional to 232.96, 349.38 and 70.60

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Solution

The fourth proportional to 232.96, 349.38 and 70.60 is: 105.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.96 : 349.38 = 70.60 : x
  2. Step 2: Convert to fraction form
    232.96/349.38 = 70.60/x
  3. Step 3: Cross multiply
    232.96x = 349.38 × 70.60
  4. Step 4: Simplify right side
    232.96x = 24,666.23
  5. Step 5: Solve for x
    x = 24,666.23/232.96
  6. Step 6: Final answer
    x = 105.88

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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.