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Finding the Fourth Proportional to 150,413.60, 225,620.40 and 50,540.60

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Solution

The fourth proportional to 150,413.60, 225,620.40 and 50,540.60 is: 75,810.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,413.60 : 225,620.40 = 50,540.60 : x
  2. Step 2: Convert to fraction form
    150,413.60/225,620.40 = 50,540.60/x
  3. Step 3: Cross multiply
    150,413.60x = 225,620.40 × 50,540.60
  4. Step 4: Simplify right side
    150,413.60x = 11,402,990,388.24
  5. Step 5: Solve for x
    x = 11,402,990,388.24/150,413.60
  6. Step 6: Final answer
    x = 75,810.90

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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.