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Finding the Fourth Proportional to 82,668.81, 123,964.32 and 57,737.01

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Solution

The fourth proportional to 82,668.81, 123,964.32 and 57,737.01 is: 86,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,668.81 : 123,964.32 = 57,737.01 : x
  2. Step 2: Convert to fraction form
    82,668.81/123,964.32 = 57,737.01/x
  3. Step 3: Cross multiply
    82,668.81x = 123,964.32 × 57,737.01
  4. Step 4: Simplify right side
    82,668.81x = 7,157,329,183.48
  5. Step 5: Solve for x
    x = 7,157,329,183.48/82,668.81
  6. Step 6: Final answer
    x = 86,578.35

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