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Finding the Fourth Proportional to 68,209.50, 94,130.11 and 39,531.30

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Solution

The fourth proportional to 68,209.50, 94,130.11 and 39,531.30 is: 54,553.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,209.50 : 94,130.11 = 39,531.30 : x
  2. Step 2: Convert to fraction form
    68,209.50/94,130.11 = 39,531.30/x
  3. Step 3: Cross multiply
    68,209.50x = 94,130.11 × 39,531.30
  4. Step 4: Simplify right side
    68,209.50x = 3,721,085,617.44
  5. Step 5: Solve for x
    x = 3,721,085,617.44/68,209.50
  6. Step 6: Final answer
    x = 54,553.77

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