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Finding the Fourth Proportional to 175,028.80, 262,082.40 and 128,027.20

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Solution

The fourth proportional to 175,028.80, 262,082.40 and 128,027.20 is: 191,703.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,028.80 : 262,082.40 = 128,027.20 : x
  2. Step 2: Convert to fraction form
    175,028.80/262,082.40 = 128,027.20/x
  3. Step 3: Cross multiply
    175,028.80x = 262,082.40 × 128,027.20
  4. Step 4: Simplify right side
    175,028.80x = 33,553,675,841.28
  5. Step 5: Solve for x
    x = 33,553,675,841.28/175,028.80
  6. Step 6: Final answer
    x = 191,703.74

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