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Finding the Fourth Proportional to 154,022.40, 231,033.60 and 71,078.40

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Solution

The fourth proportional to 154,022.40, 231,033.60 and 71,078.40 is: 106,617.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,022.40 : 231,033.60 = 71,078.40 : x
  2. Step 2: Convert to fraction form
    154,022.40/231,033.60 = 71,078.40/x
  3. Step 3: Cross multiply
    154,022.40x = 231,033.60 × 71,078.40
  4. Step 4: Simplify right side
    154,022.40x = 16,421,498,634.24
  5. Step 5: Solve for x
    x = 16,421,498,634.24/154,022.40
  6. Step 6: Final answer
    x = 106,617.60

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