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Finding the Fourth Proportional to 250,932.82, 376,413.84 and 71,003.18

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Solution

The fourth proportional to 250,932.82, 376,413.84 and 71,003.18 is: 106,508.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,932.82 : 376,413.84 = 71,003.18 : x
  2. Step 2: Convert to fraction form
    250,932.82/376,413.84 = 71,003.18/x
  3. Step 3: Cross multiply
    250,932.82x = 376,413.84 × 71,003.18
  4. Step 4: Simplify right side
    250,932.82x = 26,726,579,636.01
  5. Step 5: Solve for x
    x = 26,726,579,636.01/250,932.82
  6. Step 6: Final answer
    x = 106,508.91

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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.