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Finding the Fourth Proportional to 62,142.57, 85,727.43 and 42,006.51

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Solution

The fourth proportional to 62,142.57, 85,727.43 and 42,006.51 is: 57,949.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,142.57 : 85,727.43 = 42,006.51 : x
  2. Step 2: Convert to fraction form
    62,142.57/85,727.43 = 42,006.51/x
  3. Step 3: Cross multiply
    62,142.57x = 85,727.43 × 42,006.51
  4. Step 4: Simplify right side
    62,142.57x = 3,601,110,145.57
  5. Step 5: Solve for x
    x = 3,601,110,145.57/62,142.57
  6. Step 6: Final answer
    x = 57,949.17

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