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Finding the Fourth Proportional to 73,431.96, 110,147.73 and 20,841.49

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Solution

The fourth proportional to 73,431.96, 110,147.73 and 20,841.49 is: 31,262.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,431.96 : 110,147.73 = 20,841.49 : x
  2. Step 2: Convert to fraction form
    73,431.96/110,147.73 = 20,841.49/x
  3. Step 3: Cross multiply
    73,431.96x = 110,147.73 × 20,841.49
  4. Step 4: Simplify right side
    73,431.96x = 2,295,642,813.32
  5. Step 5: Solve for x
    x = 2,295,642,813.32/73,431.96
  6. Step 6: Final answer
    x = 31,262.18

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