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Finding the Fourth Proportional to 182.22, 273.37 and 84.64

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Solution

The fourth proportional to 182.22, 273.37 and 84.64 is: 126.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.22 : 273.37 = 84.64 : x
  2. Step 2: Convert to fraction form
    182.22/273.37 = 84.64/x
  3. Step 3: Cross multiply
    182.22x = 273.37 × 84.64
  4. Step 4: Simplify right side
    182.22x = 23,137.14
  5. Step 5: Solve for x
    x = 23,137.14/182.22
  6. Step 6: Final answer
    x = 126.97

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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.