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Finding the Fourth Proportional to 232.02, 318.75 and 190.44

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Solution

The fourth proportional to 232.02, 318.75 and 190.44 is: 261.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.02 : 318.75 = 190.44 : x
  2. Step 2: Convert to fraction form
    232.02/318.75 = 190.44/x
  3. Step 3: Cross multiply
    232.02x = 318.75 × 190.44
  4. Step 4: Simplify right side
    232.02x = 60,702.75
  5. Step 5: Solve for x
    x = 60,702.75/232.02
  6. Step 6: Final answer
    x = 261.63

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.