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Finding the Fourth Proportional to 67,665.48, 101,507.97 and 20,922

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Solution

The fourth proportional to 67,665.48, 101,507.97 and 20,922 is: 31,386.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,665.48 : 101,507.97 = 20,922 : x
  2. Step 2: Convert to fraction form
    67,665.48/101,507.97 = 20,922/x
  3. Step 3: Cross multiply
    67,665.48x = 101,507.97 × 20,922
  4. Step 4: Simplify right side
    67,665.48x = 2,123,749,748.34
  5. Step 5: Solve for x
    x = 2,123,749,748.34/67,665.48
  6. Step 6: Final answer
    x = 31,386.01

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