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Finding the Fourth Proportional to 43,159.14, 64,699.86 and 16,857.42

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Solution

The fourth proportional to 43,159.14, 64,699.86 and 16,857.42 is: 25,270.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,159.14 : 64,699.86 = 16,857.42 : x
  2. Step 2: Convert to fraction form
    43,159.14/64,699.86 = 16,857.42/x
  3. Step 3: Cross multiply
    43,159.14x = 64,699.86 × 16,857.42
  4. Step 4: Simplify right side
    43,159.14x = 1,090,672,713.96
  5. Step 5: Solve for x
    x = 1,090,672,713.96/43,159.14
  6. Step 6: Final answer
    x = 25,270.96

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