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Finding the Fourth Proportional to 144,951.69, 217,448.04 and 45,121.97

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Solution

The fourth proportional to 144,951.69, 217,448.04 and 45,121.97 is: 67,689.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,951.69 : 217,448.04 = 45,121.97 : x
  2. Step 2: Convert to fraction form
    144,951.69/217,448.04 = 45,121.97/x
  3. Step 3: Cross multiply
    144,951.69x = 217,448.04 × 45,121.97
  4. Step 4: Simplify right side
    144,951.69x = 9,811,683,937.44
  5. Step 5: Solve for x
    x = 9,811,683,937.44/144,951.69
  6. Step 6: Final answer
    x = 67,689.34

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