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Finding the Fourth Proportional to 45,126.68, 67,616.04 and 31,955.41

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Solution

The fourth proportional to 45,126.68, 67,616.04 and 31,955.41 is: 47,880.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,126.68 : 67,616.04 = 31,955.41 : x
  2. Step 2: Convert to fraction form
    45,126.68/67,616.04 = 31,955.41/x
  3. Step 3: Cross multiply
    45,126.68x = 67,616.04 × 31,955.41
  4. Step 4: Simplify right side
    45,126.68x = 2,160,698,280.78
  5. Step 5: Solve for x
    x = 2,160,698,280.78/45,126.68
  6. Step 6: Final answer
    x = 47,880.73

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