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Finding the Fourth Proportional to 195,861.80, 293,879.10 and 90,626.60

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Solution

The fourth proportional to 195,861.80, 293,879.10 and 90,626.60 is: 135,979.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,861.80 : 293,879.10 = 90,626.60 : x
  2. Step 2: Convert to fraction form
    195,861.80/293,879.10 = 90,626.60/x
  3. Step 3: Cross multiply
    195,861.80x = 293,879.10 × 90,626.60
  4. Step 4: Simplify right side
    195,861.80x = 26,633,263,644.06
  5. Step 5: Solve for x
    x = 26,633,263,644.06/195,861.80
  6. Step 6: Final answer
    x = 135,979.88

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