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Finding the Fourth Proportional to 184.82, 254.88 and 119.25

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Solution

The fourth proportional to 184.82, 254.88 and 119.25 is: 164.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.82 : 254.88 = 119.25 : x
  2. Step 2: Convert to fraction form
    184.82/254.88 = 119.25/x
  3. Step 3: Cross multiply
    184.82x = 254.88 × 119.25
  4. Step 4: Simplify right side
    184.82x = 30,394.44
  5. Step 5: Solve for x
    x = 30,394.44/184.82
  6. Step 6: Final answer
    x = 164.46

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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.