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Finding the Fourth Proportional to 360,546.86, 540,438.92 and 135,810.05

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Solution

The fourth proportional to 360,546.86, 540,438.92 and 135,810.05 is: 203,571.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,546.86 : 540,438.92 = 135,810.05 : x
  2. Step 2: Convert to fraction form
    360,546.86/540,438.92 = 135,810.05/x
  3. Step 3: Cross multiply
    360,546.86x = 540,438.92 × 135,810.05
  4. Step 4: Simplify right side
    360,546.86x = 73,397,033,365.90
  5. Step 5: Solve for x
    x = 73,397,033,365.90/360,546.86
  6. Step 6: Final answer
    x = 203,571.41

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