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Finding the Fourth Proportional to 74,674.44, 103,049.64 and 42,842.64

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Solution

The fourth proportional to 74,674.44, 103,049.64 and 42,842.64 is: 59,122.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,674.44 : 103,049.64 = 42,842.64 : x
  2. Step 2: Convert to fraction form
    74,674.44/103,049.64 = 42,842.64/x
  3. Step 3: Cross multiply
    74,674.44x = 103,049.64 × 42,842.64
  4. Step 4: Simplify right side
    74,674.44x = 4,414,918,628.65
  5. Step 5: Solve for x
    x = 4,414,918,628.65/74,674.44
  6. Step 6: Final answer
    x = 59,122.22

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