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Finding the Fourth Proportional to 248,893.70, 373,340.55 and 80,413.70

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Solution

The fourth proportional to 248,893.70, 373,340.55 and 80,413.70 is: 120,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,893.70 : 373,340.55 = 80,413.70 : x
  2. Step 2: Convert to fraction form
    248,893.70/373,340.55 = 80,413.70/x
  3. Step 3: Cross multiply
    248,893.70x = 373,340.55 × 80,413.70
  4. Step 4: Simplify right side
    248,893.70x = 30,021,694,985.54
  5. Step 5: Solve for x
    x = 30,021,694,985.54/248,893.70
  6. Step 6: Final answer
    x = 120,620.55

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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.