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Finding the Fourth Proportional to 57,772.03, 86,690.07 and 28,190.11

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Solution

The fourth proportional to 57,772.03, 86,690.07 and 28,190.11 is: 42,300.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,772.03 : 86,690.07 = 28,190.11 : x
  2. Step 2: Convert to fraction form
    57,772.03/86,690.07 = 28,190.11/x
  3. Step 3: Cross multiply
    57,772.03x = 86,690.07 × 28,190.11
  4. Step 4: Simplify right side
    57,772.03x = 2,443,802,609.21
  5. Step 5: Solve for x
    x = 2,443,802,609.21/57,772.03
  6. Step 6: Final answer
    x = 42,300.79

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