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Finding the Fourth Proportional to 184.33, 254.28 and 118.86

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Solution

The fourth proportional to 184.33, 254.28 and 118.86 is: 163.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.33 : 254.28 = 118.86 : x
  2. Step 2: Convert to fraction form
    184.33/254.28 = 118.86/x
  3. Step 3: Cross multiply
    184.33x = 254.28 × 118.86
  4. Step 4: Simplify right side
    184.33x = 30,223.72
  5. Step 5: Solve for x
    x = 30,223.72/184.33
  6. Step 6: Final answer
    x = 163.97

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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.