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Finding the Fourth Proportional to 68,615.68, 102,817.26 and 47,596.60

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Solution

The fourth proportional to 68,615.68, 102,817.26 and 47,596.60 is: 71,321.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,615.68 : 102,817.26 = 47,596.60 : x
  2. Step 2: Convert to fraction form
    68,615.68/102,817.26 = 47,596.60/x
  3. Step 3: Cross multiply
    68,615.68x = 102,817.26 × 47,596.60
  4. Step 4: Simplify right side
    68,615.68x = 4,893,751,997.32
  5. Step 5: Solve for x
    x = 4,893,751,997.32/68,615.68
  6. Step 6: Final answer
    x = 71,321.19

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