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Finding the Fourth Proportional to 367.94, 551.77 and 136.75

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Solution

The fourth proportional to 367.94, 551.77 and 136.75 is: 205.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.94 : 551.77 = 136.75 : x
  2. Step 2: Convert to fraction form
    367.94/551.77 = 136.75/x
  3. Step 3: Cross multiply
    367.94x = 551.77 × 136.75
  4. Step 4: Simplify right side
    367.94x = 75,453.86
  5. Step 5: Solve for x
    x = 75,453.86/367.94
  6. Step 6: Final answer
    x = 205.07

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