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Finding the Fourth Proportional to 184.97, 255.26 and 115.02

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Solution

The fourth proportional to 184.97, 255.26 and 115.02 is: 158.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.97 : 255.26 = 115.02 : x
  2. Step 2: Convert to fraction form
    184.97/255.26 = 115.02/x
  3. Step 3: Cross multiply
    184.97x = 255.26 × 115.02
  4. Step 4: Simplify right side
    184.97x = 29,360.01
  5. Step 5: Solve for x
    x = 29,360.01/184.97
  6. Step 6: Final answer
    x = 158.73

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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.