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Finding the Fourth Proportional to 227,083.56, 340,413.54 and 77,221.44

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Solution

The fourth proportional to 227,083.56, 340,413.54 and 77,221.44 is: 115,760.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,083.56 : 340,413.54 = 77,221.44 : x
  2. Step 2: Convert to fraction form
    227,083.56/340,413.54 = 77,221.44/x
  3. Step 3: Cross multiply
    227,083.56x = 340,413.54 × 77,221.44
  4. Step 4: Simplify right side
    227,083.56x = 26,287,223,754.30
  5. Step 5: Solve for x
    x = 26,287,223,754.30/227,083.56
  6. Step 6: Final answer
    x = 115,760.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.