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Finding the Fourth Proportional to 74,811.50, 103,242.03 and 41,279.66

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Solution

The fourth proportional to 74,811.50, 103,242.03 and 41,279.66 is: 56,967.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,811.50 : 103,242.03 = 41,279.66 : x
  2. Step 2: Convert to fraction form
    74,811.50/103,242.03 = 41,279.66/x
  3. Step 3: Cross multiply
    74,811.50x = 103,242.03 × 41,279.66
  4. Step 4: Simplify right side
    74,811.50x = 4,261,795,896.11
  5. Step 5: Solve for x
    x = 4,261,795,896.11/74,811.50
  6. Step 6: Final answer
    x = 56,967.12

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