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Finding the Fourth Proportional to 184.97, 255.33 and 111.29

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Solution

The fourth proportional to 184.97, 255.33 and 111.29 is: 153.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.97 : 255.33 = 111.29 : x
  2. Step 2: Convert to fraction form
    184.97/255.33 = 111.29/x
  3. Step 3: Cross multiply
    184.97x = 255.33 × 111.29
  4. Step 4: Simplify right side
    184.97x = 28,414.40
  5. Step 5: Solve for x
    x = 28,414.40/184.97
  6. Step 6: Final answer
    x = 153.61

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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.