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Finding the Fourth Proportional to 184.74, 254.93 and 101.85

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Solution

The fourth proportional to 184.74, 254.93 and 101.85 is: 140.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.74 : 254.93 = 101.85 : x
  2. Step 2: Convert to fraction form
    184.74/254.93 = 101.85/x
  3. Step 3: Cross multiply
    184.74x = 254.93 × 101.85
  4. Step 4: Simplify right side
    184.74x = 25,963.73
  5. Step 5: Solve for x
    x = 25,963.73/184.74
  6. Step 6: Final answer
    x = 140.54

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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.