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Finding the Fourth Proportional to 163,752.80, 245,629.20 and 80,629.60

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Solution

The fourth proportional to 163,752.80, 245,629.20 and 80,629.60 is: 120,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,752.80 : 245,629.20 = 80,629.60 : x
  2. Step 2: Convert to fraction form
    163,752.80/245,629.20 = 80,629.60/x
  3. Step 3: Cross multiply
    163,752.80x = 245,629.20 × 80,629.60
  4. Step 4: Simplify right side
    163,752.80x = 19,804,984,144.32
  5. Step 5: Solve for x
    x = 19,804,984,144.32/163,752.80
  6. Step 6: Final answer
    x = 120,944.40

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