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Finding the Fourth Proportional to 54,985.20, 75,879.90 and 29,834.68

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Solution

The fourth proportional to 54,985.20, 75,879.90 and 29,834.68 is: 41,172.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,985.20 : 75,879.90 = 29,834.68 : x
  2. Step 2: Convert to fraction form
    54,985.20/75,879.90 = 29,834.68/x
  3. Step 3: Cross multiply
    54,985.20x = 75,879.90 × 29,834.68
  4. Step 4: Simplify right side
    54,985.20x = 2,263,852,534.93
  5. Step 5: Solve for x
    x = 2,263,852,534.93/54,985.20
  6. Step 6: Final answer
    x = 41,172.03

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