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Finding the Fourth Proportional to 67,335.78, 92,923.12 and 39,057.60

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Solution

The fourth proportional to 67,335.78, 92,923.12 and 39,057.60 is: 53,899.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,335.78 : 92,923.12 = 39,057.60 : x
  2. Step 2: Convert to fraction form
    67,335.78/92,923.12 = 39,057.60/x
  3. Step 3: Cross multiply
    67,335.78x = 92,923.12 × 39,057.60
  4. Step 4: Simplify right side
    67,335.78x = 3,629,354,051.71
  5. Step 5: Solve for x
    x = 3,629,354,051.71/67,335.78
  6. Step 6: Final answer
    x = 53,899.34

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