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Finding the Fourth Proportional to 232.38, 319.70 and 192.59

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Solution

The fourth proportional to 232.38, 319.70 and 192.59 is: 264.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.38 : 319.70 = 192.59 : x
  2. Step 2: Convert to fraction form
    232.38/319.70 = 192.59/x
  3. Step 3: Cross multiply
    232.38x = 319.70 × 192.59
  4. Step 4: Simplify right side
    232.38x = 61,569.91
  5. Step 5: Solve for x
    x = 61,569.91/232.38
  6. Step 6: Final answer
    x = 264.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.