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Finding the Fourth Proportional to 57,437.85, 86,156.81 and 17,998.05

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Solution

The fourth proportional to 57,437.85, 86,156.81 and 17,998.05 is: 26,997.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,437.85 : 86,156.81 = 17,998.05 : x
  2. Step 2: Convert to fraction form
    57,437.85/86,156.81 = 17,998.05/x
  3. Step 3: Cross multiply
    57,437.85x = 86,156.81 × 17,998.05
  4. Step 4: Simplify right side
    57,437.85x = 1,550,654,484.23
  5. Step 5: Solve for x
    x = 1,550,654,484.23/57,437.85
  6. Step 6: Final answer
    x = 26,997.08

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