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Finding the Fourth Proportional to 182.56, 252 and 130.84

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Solution

The fourth proportional to 182.56, 252 and 130.84 is: 180.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.56 : 252 = 130.84 : x
  2. Step 2: Convert to fraction form
    182.56/252 = 130.84/x
  3. Step 3: Cross multiply
    182.56x = 252 × 130.84
  4. Step 4: Simplify right side
    182.56x = 32,971.68
  5. Step 5: Solve for x
    x = 32,971.68/182.56
  6. Step 6: Final answer
    x = 180.61

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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.