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Finding the Fourth Proportional to 85,600.90, 128,423.22 and 32,996.26

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Solution

The fourth proportional to 85,600.90, 128,423.22 and 32,996.26 is: 49,502.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,600.90 : 128,423.22 = 32,996.26 : x
  2. Step 2: Convert to fraction form
    85,600.90/128,423.22 = 32,996.26/x
  3. Step 3: Cross multiply
    85,600.90x = 128,423.22 × 32,996.26
  4. Step 4: Simplify right side
    85,600.90x = 4,237,485,957.16
  5. Step 5: Solve for x
    x = 4,237,485,957.16/85,600.90
  6. Step 6: Final answer
    x = 49,502.82

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