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Finding the Fourth Proportional to 125,227.55, 172,821.09 and 74,270.45

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Solution

The fourth proportional to 125,227.55, 172,821.09 and 74,270.45 is: 102,497.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,227.55 : 172,821.09 = 74,270.45 : x
  2. Step 2: Convert to fraction form
    125,227.55/172,821.09 = 74,270.45/x
  3. Step 3: Cross multiply
    125,227.55x = 172,821.09 × 74,270.45
  4. Step 4: Simplify right side
    125,227.55x = 12,835,500,834.36
  5. Step 5: Solve for x
    x = 12,835,500,834.36/125,227.55
  6. Step 6: Final answer
    x = 102,497.42

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