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Finding the Fourth Proportional to 103,843.55, 156,090.48 and 68,531.79

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Solution

The fourth proportional to 103,843.55, 156,090.48 and 68,531.79 is: 103,012.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,843.55 : 156,090.48 = 68,531.79 : x
  2. Step 2: Convert to fraction form
    103,843.55/156,090.48 = 68,531.79/x
  3. Step 3: Cross multiply
    103,843.55x = 156,090.48 × 68,531.79
  4. Step 4: Simplify right side
    103,843.55x = 10,697,160,324.70
  5. Step 5: Solve for x
    x = 10,697,160,324.70/103,843.55
  6. Step 6: Final answer
    x = 103,012.27

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