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Finding the Fourth Proportional to 99,183.40, 148,920.90 and 69,731.80

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Solution

The fourth proportional to 99,183.40, 148,920.90 and 69,731.80 is: 104,700.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,183.40 : 148,920.90 = 69,731.80 : x
  2. Step 2: Convert to fraction form
    99,183.40/148,920.90 = 69,731.80/x
  3. Step 3: Cross multiply
    99,183.40x = 148,920.90 × 69,731.80
  4. Step 4: Simplify right side
    99,183.40x = 10,384,522,414.62
  5. Step 5: Solve for x
    x = 10,384,522,414.62/99,183.40
  6. Step 6: Final answer
    x = 104,700.21

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