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Finding the Fourth Proportional to 232.86, 349.38 and 124.74

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Solution

The fourth proportional to 232.86, 349.38 and 124.74 is: 187.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.86 : 349.38 = 124.74 : x
  2. Step 2: Convert to fraction form
    232.86/349.38 = 124.74/x
  3. Step 3: Cross multiply
    232.86x = 349.38 × 124.74
  4. Step 4: Simplify right side
    232.86x = 43,581.66
  5. Step 5: Solve for x
    x = 43,581.66/232.86
  6. Step 6: Final answer
    x = 187.16

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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.