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Finding the Fourth Proportional to 197.92, 273.26 and 124.32

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Solution

The fourth proportional to 197.92, 273.26 and 124.32 is: 171.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.92 : 273.26 = 124.32 : x
  2. Step 2: Convert to fraction form
    197.92/273.26 = 124.32/x
  3. Step 3: Cross multiply
    197.92x = 273.26 × 124.32
  4. Step 4: Simplify right side
    197.92x = 33,971.68
  5. Step 5: Solve for x
    x = 33,971.68/197.92
  6. Step 6: Final answer
    x = 171.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.