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Finding the Fourth Proportional to 55,769.94, 76,960.80 and 30,275.10

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Solution

The fourth proportional to 55,769.94, 76,960.80 and 30,275.10 is: 41,778.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,769.94 : 76,960.80 = 30,275.10 : x
  2. Step 2: Convert to fraction form
    55,769.94/76,960.80 = 30,275.10/x
  3. Step 3: Cross multiply
    55,769.94x = 76,960.80 × 30,275.10
  4. Step 4: Simplify right side
    55,769.94x = 2,329,995,916.08
  5. Step 5: Solve for x
    x = 2,329,995,916.08/55,769.94
  6. Step 6: Final answer
    x = 41,778.71

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