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Finding the Fourth Proportional to 196,776.80, 271,474.80 and 121,194.08

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Solution

The fourth proportional to 196,776.80, 271,474.80 and 121,194.08 is: 167,200.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,776.80 : 271,474.80 = 121,194.08 : x
  2. Step 2: Convert to fraction form
    196,776.80/271,474.80 = 121,194.08/x
  3. Step 3: Cross multiply
    196,776.80x = 271,474.80 × 121,194.08
  4. Step 4: Simplify right side
    196,776.80x = 32,901,138,629.18
  5. Step 5: Solve for x
    x = 32,901,138,629.18/196,776.80
  6. Step 6: Final answer
    x = 167,200.29

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