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Finding the Fourth Proportional to 90,410.40, 135,583.20 and 46,022.40

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Solution

The fourth proportional to 90,410.40, 135,583.20 and 46,022.40 is: 69,017.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,410.40 : 135,583.20 = 46,022.40 : x
  2. Step 2: Convert to fraction form
    90,410.40/135,583.20 = 46,022.40/x
  3. Step 3: Cross multiply
    90,410.40x = 135,583.20 × 46,022.40
  4. Step 4: Simplify right side
    90,410.40x = 6,239,864,263.68
  5. Step 5: Solve for x
    x = 6,239,864,263.68/90,410.40
  6. Step 6: Final answer
    x = 69,017.11

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