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Finding the Fourth Proportional to 192,014.70, 288,022.05 and 81,206.70

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Solution

The fourth proportional to 192,014.70, 288,022.05 and 81,206.70 is: 121,810.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,014.70 : 288,022.05 = 81,206.70 : x
  2. Step 2: Convert to fraction form
    192,014.70/288,022.05 = 81,206.70/x
  3. Step 3: Cross multiply
    192,014.70x = 288,022.05 × 81,206.70
  4. Step 4: Simplify right side
    192,014.70x = 23,389,320,207.74
  5. Step 5: Solve for x
    x = 23,389,320,207.74/192,014.70
  6. Step 6: Final answer
    x = 121,810.05

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