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Finding the Fourth Proportional to 53,158.48, 79,738.76 and 15,718.52

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Solution

The fourth proportional to 53,158.48, 79,738.76 and 15,718.52 is: 23,578.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,158.48 : 79,738.76 = 15,718.52 : x
  2. Step 2: Convert to fraction form
    53,158.48/79,738.76 = 15,718.52/x
  3. Step 3: Cross multiply
    53,158.48x = 79,738.76 × 15,718.52
  4. Step 4: Simplify right side
    53,158.48x = 1,253,375,532.48
  5. Step 5: Solve for x
    x = 1,253,375,532.48/53,158.48
  6. Step 6: Final answer
    x = 23,578.09

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