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Finding the Fourth Proportional to 106,802.10, 160,186.35 and 67,238.10

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Solution

The fourth proportional to 106,802.10, 160,186.35 and 67,238.10 is: 100,846.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,802.10 : 160,186.35 = 67,238.10 : x
  2. Step 2: Convert to fraction form
    106,802.10/160,186.35 = 67,238.10/x
  3. Step 3: Cross multiply
    106,802.10x = 160,186.35 × 67,238.10
  4. Step 4: Simplify right side
    106,802.10x = 10,770,625,819.94
  5. Step 5: Solve for x
    x = 10,770,625,819.94/106,802.10
  6. Step 6: Final answer
    x = 100,846.57

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