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Finding the Fourth Proportional to 61,700.80, 85,147.14 and 33,406.48

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Solution

The fourth proportional to 61,700.80, 85,147.14 and 33,406.48 is: 46,100.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,700.80 : 85,147.14 = 33,406.48 : x
  2. Step 2: Convert to fraction form
    61,700.80/85,147.14 = 33,406.48/x
  3. Step 3: Cross multiply
    61,700.80x = 85,147.14 × 33,406.48
  4. Step 4: Simplify right side
    61,700.80x = 2,844,466,229.47
  5. Step 5: Solve for x
    x = 2,844,466,229.47/61,700.80
  6. Step 6: Final answer
    x = 46,100.96

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