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Finding the Fourth Proportional to 65,912.52, 90,959.55 and 35,698.20

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Solution

The fourth proportional to 65,912.52, 90,959.55 and 35,698.20 is: 49,263.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,912.52 : 90,959.55 = 35,698.20 : x
  2. Step 2: Convert to fraction form
    65,912.52/90,959.55 = 35,698.20/x
  3. Step 3: Cross multiply
    65,912.52x = 90,959.55 × 35,698.20
  4. Step 4: Simplify right side
    65,912.52x = 3,247,092,207.81
  5. Step 5: Solve for x
    x = 3,247,092,207.81/65,912.52
  6. Step 6: Final answer
    x = 49,263.66

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