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Finding the Fourth Proportional to 80,969.60, 121,454.40 and 41,603.60

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Solution

The fourth proportional to 80,969.60, 121,454.40 and 41,603.60 is: 62,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,969.60 : 121,454.40 = 41,603.60 : x
  2. Step 2: Convert to fraction form
    80,969.60/121,454.40 = 41,603.60/x
  3. Step 3: Cross multiply
    80,969.60x = 121,454.40 × 41,603.60
  4. Step 4: Simplify right side
    80,969.60x = 5,052,940,275.84
  5. Step 5: Solve for x
    x = 5,052,940,275.84/80,969.60
  6. Step 6: Final answer
    x = 62,405.40

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