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Finding the Fourth Proportional to 248,843.16, 343,403.55 and 141,413.40

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Solution

The fourth proportional to 248,843.16, 343,403.55 and 141,413.40 is: 195,150.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,843.16 : 343,403.55 = 141,413.40 : x
  2. Step 2: Convert to fraction form
    248,843.16/343,403.55 = 141,413.40/x
  3. Step 3: Cross multiply
    248,843.16x = 343,403.55 × 141,413.40
  4. Step 4: Simplify right side
    248,843.16x = 48,561,863,577.57
  5. Step 5: Solve for x
    x = 48,561,863,577.57/248,843.16
  6. Step 6: Final answer
    x = 195,150.49

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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.