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Finding the Fourth Proportional to 48,783.90, 73,168.21 and 15,499.60

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Solution

The fourth proportional to 48,783.90, 73,168.21 and 15,499.60 is: 23,246.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,783.90 : 73,168.21 = 15,499.60 : x
  2. Step 2: Convert to fraction form
    48,783.90/73,168.21 = 15,499.60/x
  3. Step 3: Cross multiply
    48,783.90x = 73,168.21 × 15,499.60
  4. Step 4: Simplify right side
    48,783.90x = 1,134,077,987.72
  5. Step 5: Solve for x
    x = 1,134,077,987.72/48,783.90
  6. Step 6: Final answer
    x = 23,246.97

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