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Finding the Fourth Proportional to 239.73, 330.48 and 184.38

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Solution

The fourth proportional to 239.73, 330.48 and 184.38 is: 254.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.73 : 330.48 = 184.38 : x
  2. Step 2: Convert to fraction form
    239.73/330.48 = 184.38/x
  3. Step 3: Cross multiply
    239.73x = 330.48 × 184.38
  4. Step 4: Simplify right side
    239.73x = 60,932.66
  5. Step 5: Solve for x
    x = 60,932.66/239.73
  6. Step 6: Final answer
    x = 254.18

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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.