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Finding the Fourth Proportional to 58,669.11, 80,963.46 and 31,811.49

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Solution

The fourth proportional to 58,669.11, 80,963.46 and 31,811.49 is: 43,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,669.11 : 80,963.46 = 31,811.49 : x
  2. Step 2: Convert to fraction form
    58,669.11/80,963.46 = 31,811.49/x
  3. Step 3: Cross multiply
    58,669.11x = 80,963.46 × 31,811.49
  4. Step 4: Simplify right side
    58,669.11x = 2,575,568,298.16
  5. Step 5: Solve for x
    x = 2,575,568,298.16/58,669.11
  6. Step 6: Final answer
    x = 43,899.90

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