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Finding the Fourth Proportional to 103,569.12, 155,380.41 and 47,382.39

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Solution

The fourth proportional to 103,569.12, 155,380.41 and 47,382.39 is: 71,085.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,569.12 : 155,380.41 = 47,382.39 : x
  2. Step 2: Convert to fraction form
    103,569.12/155,380.41 = 47,382.39/x
  3. Step 3: Cross multiply
    103,569.12x = 155,380.41 × 47,382.39
  4. Step 4: Simplify right side
    103,569.12x = 7,362,295,184.98
  5. Step 5: Solve for x
    x = 7,362,295,184.98/103,569.12
  6. Step 6: Final answer
    x = 71,085.81

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