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Finding the Fourth Proportional to 197.64, 271.86 and 184.68

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Solution

The fourth proportional to 197.64, 271.86 and 184.68 is: 254.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.64 : 271.86 = 184.68 : x
  2. Step 2: Convert to fraction form
    197.64/271.86 = 184.68/x
  3. Step 3: Cross multiply
    197.64x = 271.86 × 184.68
  4. Step 4: Simplify right side
    197.64x = 50,207.10
  5. Step 5: Solve for x
    x = 50,207.10/197.64
  6. Step 6: Final answer
    x = 254.03

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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.