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Finding the Fourth Proportional to 116,212.20, 174,491.10 and 89,946.60

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Solution

The fourth proportional to 116,212.20, 174,491.10 and 89,946.60 is: 135,053.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,212.20 : 174,491.10 = 89,946.60 : x
  2. Step 2: Convert to fraction form
    116,212.20/174,491.10 = 89,946.60/x
  3. Step 3: Cross multiply
    116,212.20x = 174,491.10 × 89,946.60
  4. Step 4: Simplify right side
    116,212.20x = 15,694,881,175.26
  5. Step 5: Solve for x
    x = 15,694,881,175.26/116,212.20
  6. Step 6: Final answer
    x = 135,053.64

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