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Finding the Fourth Proportional to 331,153.19, 496,803.86 and 120,791.13

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Solution

The fourth proportional to 331,153.19, 496,803.86 and 120,791.13 is: 181,213.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,153.19 : 496,803.86 = 120,791.13 : x
  2. Step 2: Convert to fraction form
    331,153.19/496,803.86 = 120,791.13/x
  3. Step 3: Cross multiply
    331,153.19x = 496,803.86 × 120,791.13
  4. Step 4: Simplify right side
    331,153.19x = 60,009,496,549.79
  5. Step 5: Solve for x
    x = 60,009,496,549.79/331,153.19
  6. Step 6: Final answer
    x = 181,213.71

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