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Finding the Fourth Proportional to 104,385.40, 144,047.97 and 56,637.72

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Solution

The fourth proportional to 104,385.40, 144,047.97 and 56,637.72 is: 78,157.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,385.40 : 144,047.97 = 56,637.72 : x
  2. Step 2: Convert to fraction form
    104,385.40/144,047.97 = 56,637.72/x
  3. Step 3: Cross multiply
    104,385.40x = 144,047.97 × 56,637.72
  4. Step 4: Simplify right side
    104,385.40x = 8,158,548,591.43
  5. Step 5: Solve for x
    x = 8,158,548,591.43/104,385.40
  6. Step 6: Final answer
    x = 78,157.95

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