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Finding the Fourth Proportional to 144,991.71, 200,075.12 and 81,317.19

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Solution

The fourth proportional to 144,991.71, 200,075.12 and 81,317.19 is: 112,210.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,991.71 : 200,075.12 = 81,317.19 : x
  2. Step 2: Convert to fraction form
    144,991.71/200,075.12 = 81,317.19/x
  3. Step 3: Cross multiply
    144,991.71x = 200,075.12 × 81,317.19
  4. Step 4: Simplify right side
    144,991.71x = 16,269,546,140.73
  5. Step 5: Solve for x
    x = 16,269,546,140.73/144,991.71
  6. Step 6: Final answer
    x = 112,210.18

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