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Finding the Fourth Proportional to 226,899.92, 340,400.64 and 69,140.72

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Solution

The fourth proportional to 226,899.92, 340,400.64 and 69,140.72 is: 103,726.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,899.92 : 340,400.64 = 69,140.72 : x
  2. Step 2: Convert to fraction form
    226,899.92/340,400.64 = 69,140.72/x
  3. Step 3: Cross multiply
    226,899.92x = 340,400.64 × 69,140.72
  4. Step 4: Simplify right side
    226,899.92x = 23,535,545,338.06
  5. Step 5: Solve for x
    x = 23,535,545,338.06/226,899.92
  6. Step 6: Final answer
    x = 103,726.55

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