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Finding the Fourth Proportional to 57,240.11, 78,759.17 and 46,993.42

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Solution

The fourth proportional to 57,240.11, 78,759.17 and 46,993.42 is: 64,660.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,240.11 : 78,759.17 = 46,993.42 : x
  2. Step 2: Convert to fraction form
    57,240.11/78,759.17 = 46,993.42/x
  3. Step 3: Cross multiply
    57,240.11x = 78,759.17 × 46,993.42
  4. Step 4: Simplify right side
    57,240.11x = 3,701,162,501.42
  5. Step 5: Solve for x
    x = 3,701,162,501.42/57,240.11
  6. Step 6: Final answer
    x = 64,660.29

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