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Finding the Fourth Proportional to 174.81, 262.29 and 134.56

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Solution

The fourth proportional to 174.81, 262.29 and 134.56 is: 201.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.81 : 262.29 = 134.56 : x
  2. Step 2: Convert to fraction form
    174.81/262.29 = 134.56/x
  3. Step 3: Cross multiply
    174.81x = 262.29 × 134.56
  4. Step 4: Simplify right side
    174.81x = 35,293.82
  5. Step 5: Solve for x
    x = 35,293.82/174.81
  6. Step 6: Final answer
    x = 201.90

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