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Finding the Fourth Proportional to 331,812.72, 497,718.72 and 82,494.72

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Solution

The fourth proportional to 331,812.72, 497,718.72 and 82,494.72 is: 123,741.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,812.72 : 497,718.72 = 82,494.72 : x
  2. Step 2: Convert to fraction form
    331,812.72/497,718.72 = 82,494.72/x
  3. Step 3: Cross multiply
    331,812.72x = 497,718.72 × 82,494.72
  4. Step 4: Simplify right side
    331,812.72x = 41,059,166,445.16
  5. Step 5: Solve for x
    x = 41,059,166,445.16/331,812.72
  6. Step 6: Final answer
    x = 123,741.99

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