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Finding the Fourth Proportional to 182.67, 251.82 and 143.26

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Solution

The fourth proportional to 182.67, 251.82 and 143.26 is: 197.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.67 : 251.82 = 143.26 : x
  2. Step 2: Convert to fraction form
    182.67/251.82 = 143.26/x
  3. Step 3: Cross multiply
    182.67x = 251.82 × 143.26
  4. Step 4: Simplify right side
    182.67x = 36,075.73
  5. Step 5: Solve for x
    x = 36,075.73/182.67
  6. Step 6: Final answer
    x = 197.49

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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.