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Finding the Fourth Proportional to 106,699.87, 159,921.96 and 49,696.93

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Solution

The fourth proportional to 106,699.87, 159,921.96 and 49,696.93 is: 74,485.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,699.87 : 159,921.96 = 49,696.93 : x
  2. Step 2: Convert to fraction form
    106,699.87/159,921.96 = 49,696.93/x
  3. Step 3: Cross multiply
    106,699.87x = 159,921.96 × 49,696.93
  4. Step 4: Simplify right side
    106,699.87x = 7,947,630,451.58
  5. Step 5: Solve for x
    x = 7,947,630,451.58/106,699.87
  6. Step 6: Final answer
    x = 74,485.85

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