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Finding the Fourth Proportional to 182.88, 252.39 and 109.22

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Solution

The fourth proportional to 182.88, 252.39 and 109.22 is: 150.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.88 : 252.39 = 109.22 : x
  2. Step 2: Convert to fraction form
    182.88/252.39 = 109.22/x
  3. Step 3: Cross multiply
    182.88x = 252.39 × 109.22
  4. Step 4: Simplify right side
    182.88x = 27,566.04
  5. Step 5: Solve for x
    x = 27,566.04/182.88
  6. Step 6: Final answer
    x = 150.73

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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.