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Finding the Fourth Proportional to 105,813.45, 158,711.90 and 30,934.29

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Solution

The fourth proportional to 105,813.45, 158,711.90 and 30,934.29 is: 46,399.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,813.45 : 158,711.90 = 30,934.29 : x
  2. Step 2: Convert to fraction form
    105,813.45/158,711.90 = 30,934.29/x
  3. Step 3: Cross multiply
    105,813.45x = 158,711.90 × 30,934.29
  4. Step 4: Simplify right side
    105,813.45x = 4,909,639,786.38
  5. Step 5: Solve for x
    x = 4,909,639,786.38/105,813.45
  6. Step 6: Final answer
    x = 46,399.01

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