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Finding the Fourth Proportional to 106,016.68, 159,019.98 and 31,133.80

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Solution

The fourth proportional to 106,016.68, 159,019.98 and 31,133.80 is: 46,699.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,016.68 : 159,019.98 = 31,133.80 : x
  2. Step 2: Convert to fraction form
    106,016.68/159,019.98 = 31,133.80/x
  3. Step 3: Cross multiply
    106,016.68x = 159,019.98 × 31,133.80
  4. Step 4: Simplify right side
    106,016.68x = 4,950,896,253.32
  5. Step 5: Solve for x
    x = 4,950,896,253.32/106,016.68
  6. Step 6: Final answer
    x = 46,699.22

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