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Finding the Fourth Proportional to 211,588.70, 317,172.80 and 106,085.66

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Solution

The fourth proportional to 211,588.70, 317,172.80 and 106,085.66 is: 159,023.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,588.70 : 317,172.80 = 106,085.66 : x
  2. Step 2: Convert to fraction form
    211,588.70/317,172.80 = 106,085.66/x
  3. Step 3: Cross multiply
    211,588.70x = 317,172.80 × 106,085.66
  4. Step 4: Simplify right side
    211,588.70x = 33,647,485,822.05
  5. Step 5: Solve for x
    x = 33,647,485,822.05/211,588.70
  6. Step 6: Final answer
    x = 159,023.08

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