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Finding the Fourth Proportional to 47,773.52, 71,668.89 and 19,678.23

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Solution

The fourth proportional to 47,773.52, 71,668.89 and 19,678.23 is: 29,520.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,773.52 : 71,668.89 = 19,678.23 : x
  2. Step 2: Convert to fraction form
    47,773.52/71,668.89 = 19,678.23/x
  3. Step 3: Cross multiply
    47,773.52x = 71,668.89 × 19,678.23
  4. Step 4: Simplify right side
    47,773.52x = 1,410,316,901.26
  5. Step 5: Solve for x
    x = 1,410,316,901.26/47,773.52
  6. Step 6: Final answer
    x = 29,520.89

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