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Finding the Fourth Proportional to 45,391.36, 68,088.87 and 15,812.19

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Solution

The fourth proportional to 45,391.36, 68,088.87 and 15,812.19 is: 23,718.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,391.36 : 68,088.87 = 15,812.19 : x
  2. Step 2: Convert to fraction form
    45,391.36/68,088.87 = 15,812.19/x
  3. Step 3: Cross multiply
    45,391.36x = 68,088.87 × 15,812.19
  4. Step 4: Simplify right side
    45,391.36x = 1,076,634,149.33
  5. Step 5: Solve for x
    x = 1,076,634,149.33/45,391.36
  6. Step 6: Final answer
    x = 23,718.92

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