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Finding the Fourth Proportional to 80,619.86, 111,210.01 and 48,345.89

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Solution

The fourth proportional to 80,619.86, 111,210.01 and 48,345.89 is: 66,690.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,619.86 : 111,210.01 = 48,345.89 : x
  2. Step 2: Convert to fraction form
    80,619.86/111,210.01 = 48,345.89/x
  3. Step 3: Cross multiply
    80,619.86x = 111,210.01 × 48,345.89
  4. Step 4: Simplify right side
    80,619.86x = 5,376,546,233.44
  5. Step 5: Solve for x
    x = 5,376,546,233.44/80,619.86
  6. Step 6: Final answer
    x = 66,690.09

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