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Finding the Fourth Proportional to 108,940.40, 163,410.60 and 101,067.20

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Solution

The fourth proportional to 108,940.40, 163,410.60 and 101,067.20 is: 151,600.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,940.40 : 163,410.60 = 101,067.20 : x
  2. Step 2: Convert to fraction form
    108,940.40/163,410.60 = 101,067.20/x
  3. Step 3: Cross multiply
    108,940.40x = 163,410.60 × 101,067.20
  4. Step 4: Simplify right side
    108,940.40x = 16,515,451,792.32
  5. Step 5: Solve for x
    x = 16,515,451,792.32/108,940.40
  6. Step 6: Final answer
    x = 151,600.80

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