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Finding the Fourth Proportional to 246,667.86, 340,401.51 and 139,238.82

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Solution

The fourth proportional to 246,667.86, 340,401.51 and 139,238.82 is: 192,149.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,667.86 : 340,401.51 = 139,238.82 : x
  2. Step 2: Convert to fraction form
    246,667.86/340,401.51 = 139,238.82/x
  3. Step 3: Cross multiply
    246,667.86x = 340,401.51 × 139,238.82
  4. Step 4: Simplify right side
    246,667.86x = 47,397,104,578.62
  5. Step 5: Solve for x
    x = 47,397,104,578.62/246,667.86
  6. Step 6: Final answer
    x = 192,149.49

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