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Finding the Fourth Proportional to 232.12, 347.94 and 160

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Solution

The fourth proportional to 232.12, 347.94 and 160 is: 239.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.12 : 347.94 = 160 : x
  2. Step 2: Convert to fraction form
    232.12/347.94 = 160/x
  3. Step 3: Cross multiply
    232.12x = 347.94 × 160
  4. Step 4: Simplify right side
    232.12x = 55,670.40
  5. Step 5: Solve for x
    x = 55,670.40/232.12
  6. Step 6: Final answer
    x = 239.83

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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.