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Finding the Fourth Proportional to 69,899.93, 104,746.20 and 51,341.21

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Solution

The fourth proportional to 69,899.93, 104,746.20 and 51,341.21 is: 76,935.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,899.93 : 104,746.20 = 51,341.21 : x
  2. Step 2: Convert to fraction form
    69,899.93/104,746.20 = 51,341.21/x
  3. Step 3: Cross multiply
    69,899.93x = 104,746.20 × 51,341.21
  4. Step 4: Simplify right side
    69,899.93x = 5,377,796,650.90
  5. Step 5: Solve for x
    x = 5,377,796,650.90/69,899.93
  6. Step 6: Final answer
    x = 76,935.65

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