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Finding the Fourth Proportional to 182.60, 252.08 and 120.52

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Solution

The fourth proportional to 182.60, 252.08 and 120.52 is: 166.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.60 : 252.08 = 120.52 : x
  2. Step 2: Convert to fraction form
    182.60/252.08 = 120.52/x
  3. Step 3: Cross multiply
    182.60x = 252.08 × 120.52
  4. Step 4: Simplify right side
    182.60x = 30,380.68
  5. Step 5: Solve for x
    x = 30,380.68/182.60
  6. Step 6: Final answer
    x = 166.38

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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.