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Finding the Fourth Proportional to 133,413.92, 200,120.84 and 50,288.48

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Solution

The fourth proportional to 133,413.92, 200,120.84 and 50,288.48 is: 75,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,413.92 : 200,120.84 = 50,288.48 : x
  2. Step 2: Convert to fraction form
    133,413.92/200,120.84 = 50,288.48/x
  3. Step 3: Cross multiply
    133,413.92x = 200,120.84 × 50,288.48
  4. Step 4: Simplify right side
    133,413.92x = 10,063,772,859.92
  5. Step 5: Solve for x
    x = 10,063,772,859.92/133,413.92
  6. Step 6: Final answer
    x = 75,432.70

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1.5x scale

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.