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Finding the Fourth Proportional to 49,985.64, 74,990.75 and 35,223.39

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Solution

The fourth proportional to 49,985.64, 74,990.75 and 35,223.39 is: 52,843.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,985.64 : 74,990.75 = 35,223.39 : x
  2. Step 2: Convert to fraction form
    49,985.64/74,990.75 = 35,223.39/x
  3. Step 3: Cross multiply
    49,985.64x = 74,990.75 × 35,223.39
  4. Step 4: Simplify right side
    49,985.64x = 2,641,428,257.53
  5. Step 5: Solve for x
    x = 2,641,428,257.53/49,985.64
  6. Step 6: Final answer
    x = 52,843.74

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