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Finding the Fourth Proportional to 182.96, 252.21 and 130.33

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Solution

The fourth proportional to 182.96, 252.21 and 130.33 is: 179.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.96 : 252.21 = 130.33 : x
  2. Step 2: Convert to fraction form
    182.96/252.21 = 130.33/x
  3. Step 3: Cross multiply
    182.96x = 252.21 × 130.33
  4. Step 4: Simplify right side
    182.96x = 32,869.90
  5. Step 5: Solve for x
    x = 32,869.90/182.96
  6. Step 6: Final answer
    x = 179.66

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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.