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Finding the Fourth Proportional to 494,083.40, 741,168.83 and 139,100.49

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Solution

The fourth proportional to 494,083.40, 741,168.83 and 139,100.49 is: 208,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,083.40 : 741,168.83 = 139,100.49 : x
  2. Step 2: Convert to fraction form
    494,083.40/741,168.83 = 139,100.49/x
  3. Step 3: Cross multiply
    494,083.40x = 741,168.83 × 139,100.49
  4. Step 4: Simplify right side
    494,083.40x = 103,096,947,773.48
  5. Step 5: Solve for x
    x = 103,096,947,773.48/494,083.40
  6. Step 6: Final answer
    x = 208,663.05

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