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Finding the Fourth Proportional to 102,775.28, 154,160.52 and 47,371.28

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Solution

The fourth proportional to 102,775.28, 154,160.52 and 47,371.28 is: 71,055.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,775.28 : 154,160.52 = 47,371.28 : x
  2. Step 2: Convert to fraction form
    102,775.28/154,160.52 = 47,371.28/x
  3. Step 3: Cross multiply
    102,775.28x = 154,160.52 × 47,371.28
  4. Step 4: Simplify right side
    102,775.28x = 7,302,781,157.87
  5. Step 5: Solve for x
    x = 7,302,781,157.87/102,775.28
  6. Step 6: Final answer
    x = 71,055.81

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