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Finding the Fourth Proportional to 232.93, 349.49 and 135.42

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Solution

The fourth proportional to 232.93, 349.49 and 135.42 is: 203.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.93 : 349.49 = 135.42 : x
  2. Step 2: Convert to fraction form
    232.93/349.49 = 135.42/x
  3. Step 3: Cross multiply
    232.93x = 349.49 × 135.42
  4. Step 4: Simplify right side
    232.93x = 47,327.94
  5. Step 5: Solve for x
    x = 47,327.94/232.93
  6. Step 6: Final answer
    x = 203.19

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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.