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Finding the Fourth Proportional to 69,306.63, 103,873.81 and 31,826.94

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Solution

The fourth proportional to 69,306.63, 103,873.81 and 31,826.94 is: 47,700.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,306.63 : 103,873.81 = 31,826.94 : x
  2. Step 2: Convert to fraction form
    69,306.63/103,873.81 = 31,826.94/x
  3. Step 3: Cross multiply
    69,306.63x = 103,873.81 × 31,826.94
  4. Step 4: Simplify right side
    69,306.63x = 3,305,985,518.44
  5. Step 5: Solve for x
    x = 3,305,985,518.44/69,306.63
  6. Step 6: Final answer
    x = 47,700.86

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