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Finding the Fourth Proportional to 207,371.02, 311,041.92 and 80,987.52

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Solution

The fourth proportional to 207,371.02, 311,041.92 and 80,987.52 is: 121,475.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,371.02 : 311,041.92 = 80,987.52 : x
  2. Step 2: Convert to fraction form
    207,371.02/311,041.92 = 80,987.52/x
  3. Step 3: Cross multiply
    207,371.02x = 311,041.92 × 80,987.52
  4. Step 4: Simplify right side
    207,371.02x = 25,190,513,716.84
  5. Step 5: Solve for x
    x = 25,190,513,716.84/207,371.02
  6. Step 6: Final answer
    x = 121,475.57

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