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Finding the Fourth Proportional to 109.82, 164.73 and 93.69

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Solution

The fourth proportional to 109.82, 164.73 and 93.69 is: 140.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    109.82 : 164.73 = 93.69 : x
  2. Step 2: Convert to fraction form
    109.82/164.73 = 93.69/x
  3. Step 3: Cross multiply
    109.82x = 164.73 × 93.69
  4. Step 4: Simplify right side
    109.82x = 15,432.73
  5. Step 5: Solve for x
    x = 15,432.73/109.82
  6. Step 6: Final answer
    x = 140.53

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