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Finding the Fourth Proportional to 60,604.33, 90,947.98 and 21,161.45

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Solution

The fourth proportional to 60,604.33, 90,947.98 and 21,161.45 is: 31,756.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,604.33 : 90,947.98 = 21,161.45 : x
  2. Step 2: Convert to fraction form
    60,604.33/90,947.98 = 21,161.45/x
  3. Step 3: Cross multiply
    60,604.33x = 90,947.98 × 21,161.45
  4. Step 4: Simplify right side
    60,604.33x = 1,924,591,131.37
  5. Step 5: Solve for x
    x = 1,924,591,131.37/60,604.33
  6. Step 6: Final answer
    x = 31,756.66

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