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Finding the Fourth Proportional to 269,413.53, 371,783.52 and 148,552.77

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Solution

The fourth proportional to 269,413.53, 371,783.52 and 148,552.77 is: 204,998.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,413.53 : 371,783.52 = 148,552.77 : x
  2. Step 2: Convert to fraction form
    269,413.53/371,783.52 = 148,552.77/x
  3. Step 3: Cross multiply
    269,413.53x = 371,783.52 × 148,552.77
  4. Step 4: Simplify right side
    269,413.53x = 55,229,471,736.35
  5. Step 5: Solve for x
    x = 55,229,471,736.35/269,413.53
  6. Step 6: Final answer
    x = 204,998.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.