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Finding the Fourth Proportional to 78,495.86, 117,727.31 and 25,893.02

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Solution

The fourth proportional to 78,495.86, 117,727.31 and 25,893.02 is: 38,834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,495.86 : 117,727.31 = 25,893.02 : x
  2. Step 2: Convert to fraction form
    78,495.86/117,727.31 = 25,893.02/x
  3. Step 3: Cross multiply
    78,495.86x = 117,727.31 × 25,893.02
  4. Step 4: Simplify right side
    78,495.86x = 3,048,315,951.43
  5. Step 5: Solve for x
    x = 3,048,315,951.43/78,495.86
  6. Step 6: Final answer
    x = 38,834.10

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