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Finding the Fourth Proportional to 143,477.88, 215,217.90 and 49,983.48

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Solution

The fourth proportional to 143,477.88, 215,217.90 and 49,983.48 is: 74,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,477.88 : 215,217.90 = 49,983.48 : x
  2. Step 2: Convert to fraction form
    143,477.88/215,217.90 = 49,983.48/x
  3. Step 3: Cross multiply
    143,477.88x = 215,217.90 × 49,983.48
  4. Step 4: Simplify right side
    143,477.88x = 10,757,339,600.29
  5. Step 5: Solve for x
    x = 10,757,339,600.29/143,477.88
  6. Step 6: Final answer
    x = 74,975.60

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