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Finding the Fourth Proportional to 116.83, 174.94 and 76.19

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Solution

The fourth proportional to 116.83, 174.94 and 76.19 is: 114.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    116.83 : 174.94 = 76.19 : x
  2. Step 2: Convert to fraction form
    116.83/174.94 = 76.19/x
  3. Step 3: Cross multiply
    116.83x = 174.94 × 76.19
  4. Step 4: Simplify right side
    116.83x = 13,328.68
  5. Step 5: Solve for x
    x = 13,328.68/116.83
  6. Step 6: Final answer
    x = 114.09

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