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Finding the Fourth Proportional to 335,121.86, 503,040.90 and 135,572.69

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Solution

The fourth proportional to 335,121.86, 503,040.90 and 135,572.69 is: 203,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,121.86 : 503,040.90 = 135,572.69 : x
  2. Step 2: Convert to fraction form
    335,121.86/503,040.90 = 135,572.69/x
  3. Step 3: Cross multiply
    335,121.86x = 503,040.90 × 135,572.69
  4. Step 4: Simplify right side
    335,121.86x = 68,198,605,477.82
  5. Step 5: Solve for x
    x = 68,198,605,477.82/335,121.86
  6. Step 6: Final answer
    x = 203,503.90

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