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Finding the Fourth Proportional to 104.26, 155.91 and 93.46

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Solution

The fourth proportional to 104.26, 155.91 and 93.46 is: 139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.26 : 155.91 = 93.46 : x
  2. Step 2: Convert to fraction form
    104.26/155.91 = 93.46/x
  3. Step 3: Cross multiply
    104.26x = 155.91 × 93.46
  4. Step 4: Simplify right side
    104.26x = 14,571.35
  5. Step 5: Solve for x
    x = 14,571.35/104.26
  6. Step 6: Final answer
    x = 139.76

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