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Finding the Fourth Proportional to 115,993.47, 173,962.92 and 65,414.25

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Solution

The fourth proportional to 115,993.47, 173,962.92 and 65,414.25 is: 98,105.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,993.47 : 173,962.92 = 65,414.25 : x
  2. Step 2: Convert to fraction form
    115,993.47/173,962.92 = 65,414.25/x
  3. Step 3: Cross multiply
    115,993.47x = 173,962.92 × 65,414.25
  4. Step 4: Simplify right side
    115,993.47x = 11,379,653,939.61
  5. Step 5: Solve for x
    x = 11,379,653,939.61/115,993.47
  6. Step 6: Final answer
    x = 98,105.99

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