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Finding the Fourth Proportional to 184.66, 254.82 and 101.75

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Solution

The fourth proportional to 184.66, 254.82 and 101.75 is: 140.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.66 : 254.82 = 101.75 : x
  2. Step 2: Convert to fraction form
    184.66/254.82 = 101.75/x
  3. Step 3: Cross multiply
    184.66x = 254.82 × 101.75
  4. Step 4: Simplify right side
    184.66x = 25,927.94
  5. Step 5: Solve for x
    x = 25,927.94/184.66
  6. Step 6: Final answer
    x = 140.41

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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.