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Finding the Fourth Proportional to 80,993.25, 121,509.36 and 25,589.25

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Solution

The fourth proportional to 80,993.25, 121,509.36 and 25,589.25 is: 38,390.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,993.25 : 121,509.36 = 25,589.25 : x
  2. Step 2: Convert to fraction form
    80,993.25/121,509.36 = 25,589.25/x
  3. Step 3: Cross multiply
    80,993.25x = 121,509.36 × 25,589.25
  4. Step 4: Simplify right side
    80,993.25x = 3,109,333,390.38
  5. Step 5: Solve for x
    x = 3,109,333,390.38/80,993.25
  6. Step 6: Final answer
    x = 38,390.03

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