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Finding the Fourth Proportional to 300,844.08, 451,115.87 and 98,413.76

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Solution

The fourth proportional to 300,844.08, 451,115.87 and 98,413.76 is: 147,571.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,844.08 : 451,115.87 = 98,413.76 : x
  2. Step 2: Convert to fraction form
    300,844.08/451,115.87 = 98,413.76/x
  3. Step 3: Cross multiply
    300,844.08x = 451,115.87 × 98,413.76
  4. Step 4: Simplify right side
    300,844.08x = 44,396,006,214.72
  5. Step 5: Solve for x
    x = 44,396,006,214.72/300,844.08
  6. Step 6: Final answer
    x = 147,571.48

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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.