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Finding the Fourth Proportional to 49,275.81, 74,002.80 and 45,523.55

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Solution

The fourth proportional to 49,275.81, 74,002.80 and 45,523.55 is: 68,367.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,275.81 : 74,002.80 = 45,523.55 : x
  2. Step 2: Convert to fraction form
    49,275.81/74,002.80 = 45,523.55/x
  3. Step 3: Cross multiply
    49,275.81x = 74,002.80 × 45,523.55
  4. Step 4: Simplify right side
    49,275.81x = 3,368,870,165.94
  5. Step 5: Solve for x
    x = 3,368,870,165.94/49,275.81
  6. Step 6: Final answer
    x = 68,367.63

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