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Finding the Fourth Proportional to 182.17, 273.29 and 66.63

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Solution

The fourth proportional to 182.17, 273.29 and 66.63 is: 99.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.17 : 273.29 = 66.63 : x
  2. Step 2: Convert to fraction form
    182.17/273.29 = 66.63/x
  3. Step 3: Cross multiply
    182.17x = 273.29 × 66.63
  4. Step 4: Simplify right side
    182.17x = 18,209.31
  5. Step 5: Solve for x
    x = 18,209.31/182.17
  6. Step 6: Final answer
    x = 99.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.