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Finding the Fourth Proportional to 114,801.24, 172,201.62 and 31,695

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Solution

The fourth proportional to 114,801.24, 172,201.62 and 31,695 is: 47,542.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,801.24 : 172,201.62 = 31,695 : x
  2. Step 2: Convert to fraction form
    114,801.24/172,201.62 = 31,695/x
  3. Step 3: Cross multiply
    114,801.24x = 172,201.62 × 31,695
  4. Step 4: Simplify right side
    114,801.24x = 5,457,930,345.90
  5. Step 5: Solve for x
    x = 5,457,930,345.90/114,801.24
  6. Step 6: Final answer
    x = 47,542.43

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