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Finding the Fourth Proportional to 114,814.01, 172,129.20 and 57,857.24

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Solution

The fourth proportional to 114,814.01, 172,129.20 and 57,857.24 is: 86,739.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,814.01 : 172,129.20 = 57,857.24 : x
  2. Step 2: Convert to fraction form
    114,814.01/172,129.20 = 57,857.24/x
  3. Step 3: Cross multiply
    114,814.01x = 172,129.20 × 57,857.24
  4. Step 4: Simplify right side
    114,814.01x = 9,958,920,005.99
  5. Step 5: Solve for x
    x = 9,958,920,005.99/114,814.01
  6. Step 6: Final answer
    x = 86,739.59

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