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Finding the Fourth Proportional to 201,839.94, 278,561.00 and 111,205.19

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Solution

The fourth proportional to 201,839.94, 278,561.00 and 111,205.19 is: 153,475.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,839.94 : 278,561.00 = 111,205.19 : x
  2. Step 2: Convert to fraction form
    201,839.94/278,561.00 = 111,205.19/x
  3. Step 3: Cross multiply
    201,839.94x = 278,561.00 × 111,205.19
  4. Step 4: Simplify right side
    201,839.94x = 30,977,429,906.01
  5. Step 5: Solve for x
    x = 30,977,429,906.01/201,839.94
  6. Step 6: Final answer
    x = 153,475.22

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