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Finding the Fourth Proportional to 54,780.90, 82,183.65 and 17,343.21

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Solution

The fourth proportional to 54,780.90, 82,183.65 and 17,343.21 is: 26,018.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,780.90 : 82,183.65 = 17,343.21 : x
  2. Step 2: Convert to fraction form
    54,780.90/82,183.65 = 17,343.21/x
  3. Step 3: Cross multiply
    54,780.90x = 82,183.65 × 17,343.21
  4. Step 4: Simplify right side
    54,780.90x = 1,425,328,300.52
  5. Step 5: Solve for x
    x = 1,425,328,300.52/54,780.90
  6. Step 6: Final answer
    x = 26,018.71

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