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Finding the Fourth Proportional to 182.21, 273.40 and 158.27

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Solution

The fourth proportional to 182.21, 273.40 and 158.27 is: 237.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.21 : 273.40 = 158.27 : x
  2. Step 2: Convert to fraction form
    182.21/273.40 = 158.27/x
  3. Step 3: Cross multiply
    182.21x = 273.40 × 158.27
  4. Step 4: Simplify right side
    182.21x = 43,269.26
  5. Step 5: Solve for x
    x = 43,269.26/182.21
  6. Step 6: Final answer
    x = 237.48

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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.