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Finding the Fourth Proportional to 73,270.10, 109,905.15 and 68,021.30

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Solution

The fourth proportional to 73,270.10, 109,905.15 and 68,021.30 is: 102,031.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,270.10 : 109,905.15 = 68,021.30 : x
  2. Step 2: Convert to fraction form
    73,270.10/109,905.15 = 68,021.30/x
  3. Step 3: Cross multiply
    73,270.10x = 109,905.15 × 68,021.30
  4. Step 4: Simplify right side
    73,270.10x = 7,475,891,179.70
  5. Step 5: Solve for x
    x = 7,475,891,179.70/73,270.10
  6. Step 6: Final answer
    x = 102,031.95

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