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Finding the Fourth Proportional to 100,018.56, 149,949.96 and 50,072.92

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Solution

The fourth proportional to 100,018.56, 149,949.96 and 50,072.92 is: 75,070.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,018.56 : 149,949.96 = 50,072.92 : x
  2. Step 2: Convert to fraction form
    100,018.56/149,949.96 = 50,072.92/x
  3. Step 3: Cross multiply
    100,018.56x = 149,949.96 × 50,072.92
  4. Step 4: Simplify right side
    100,018.56x = 7,508,432,351.08
  5. Step 5: Solve for x
    x = 7,508,432,351.08/100,018.56
  6. Step 6: Final answer
    x = 75,070.39

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