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Finding the Fourth Proportional to 48,061.72, 72,102.30 and 16,899.40

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Solution

The fourth proportional to 48,061.72, 72,102.30 and 16,899.40 is: 25,352.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,061.72 : 72,102.30 = 16,899.40 : x
  2. Step 2: Convert to fraction form
    48,061.72/72,102.30 = 16,899.40/x
  3. Step 3: Cross multiply
    48,061.72x = 72,102.30 × 16,899.40
  4. Step 4: Simplify right side
    48,061.72x = 1,218,485,608.62
  5. Step 5: Solve for x
    x = 1,218,485,608.62/48,061.72
  6. Step 6: Final answer
    x = 25,352.52

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