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Finding the Fourth Proportional to 87,202.94, 130,791.96 and 28,030.94

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Solution

The fourth proportional to 87,202.94, 130,791.96 and 28,030.94 is: 42,042.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,202.94 : 130,791.96 = 28,030.94 : x
  2. Step 2: Convert to fraction form
    87,202.94/130,791.96 = 28,030.94/x
  3. Step 3: Cross multiply
    87,202.94x = 130,791.96 × 28,030.94
  4. Step 4: Simplify right side
    87,202.94x = 3,666,221,583.24
  5. Step 5: Solve for x
    x = 3,666,221,583.24/87,202.94
  6. Step 6: Final answer
    x = 42,042.41

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