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Finding the Fourth Proportional to 232.61, 349.07 and 160.34

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Solution

The fourth proportional to 232.61, 349.07 and 160.34 is: 240.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.61 : 349.07 = 160.34 : x
  2. Step 2: Convert to fraction form
    232.61/349.07 = 160.34/x
  3. Step 3: Cross multiply
    232.61x = 349.07 × 160.34
  4. Step 4: Simplify right side
    232.61x = 55,967.34
  5. Step 5: Solve for x
    x = 55,967.34/232.61
  6. Step 6: Final answer
    x = 240.61

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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.