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Finding the Fourth Proportional to 182.82, 252.34 and 104.18

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Solution

The fourth proportional to 182.82, 252.34 and 104.18 is: 143.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.82 : 252.34 = 104.18 : x
  2. Step 2: Convert to fraction form
    182.82/252.34 = 104.18/x
  3. Step 3: Cross multiply
    182.82x = 252.34 × 104.18
  4. Step 4: Simplify right side
    182.82x = 26,287.51
  5. Step 5: Solve for x
    x = 26,287.51/182.82
  6. Step 6: Final answer
    x = 143.79

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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.