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Finding the Fourth Proportional to 67,072.95, 100,515.11 and 52,971.05

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Solution

The fourth proportional to 67,072.95, 100,515.11 and 52,971.05 is: 79,382.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,072.95 : 100,515.11 = 52,971.05 : x
  2. Step 2: Convert to fraction form
    67,072.95/100,515.11 = 52,971.05/x
  3. Step 3: Cross multiply
    67,072.95x = 100,515.11 × 52,971.05
  4. Step 4: Simplify right side
    67,072.95x = 5,324,390,917.57
  5. Step 5: Solve for x
    x = 5,324,390,917.57/67,072.95
  6. Step 6: Final answer
    x = 79,382.09

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