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Finding the Fourth Proportional to 106,039.98, 159,059.88 and 31,161.96

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Solution

The fourth proportional to 106,039.98, 159,059.88 and 31,161.96 is: 46,742.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,039.98 : 159,059.88 = 31,161.96 : x
  2. Step 2: Convert to fraction form
    106,039.98/159,059.88 = 31,161.96/x
  3. Step 3: Cross multiply
    106,039.98x = 159,059.88 × 31,161.96
  4. Step 4: Simplify right side
    106,039.98x = 4,956,617,618.16
  5. Step 5: Solve for x
    x = 4,956,617,618.16/106,039.98
  6. Step 6: Final answer
    x = 46,742.91

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