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Finding the Fourth Proportional to 99,399.44, 149,095.08 and 40,235.60

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Solution

The fourth proportional to 99,399.44, 149,095.08 and 40,235.60 is: 60,351.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,399.44 : 149,095.08 = 40,235.60 : x
  2. Step 2: Convert to fraction form
    99,399.44/149,095.08 = 40,235.60/x
  3. Step 3: Cross multiply
    99,399.44x = 149,095.08 × 40,235.60
  4. Step 4: Simplify right side
    99,399.44x = 5,998,930,000.85
  5. Step 5: Solve for x
    x = 5,998,930,000.85/99,399.44
  6. Step 6: Final answer
    x = 60,351.75

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