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Finding the Fourth Proportional to 248,843.41, 343,403.90 and 141,413.65

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Solution

The fourth proportional to 248,843.41, 343,403.90 and 141,413.65 is: 195,150.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,843.41 : 343,403.90 = 141,413.65 : x
  2. Step 2: Convert to fraction form
    248,843.41/343,403.90 = 141,413.65/x
  3. Step 3: Cross multiply
    248,843.41x = 343,403.90 × 141,413.65
  4. Step 4: Simplify right side
    248,843.41x = 48,561,998,216.17
  5. Step 5: Solve for x
    x = 48,561,998,216.17/248,843.41
  6. Step 6: Final answer
    x = 195,150.83

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1.5x scale

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.