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Finding the Fourth Proportional to 168,416.52, 252,413.22 and 84,200.13

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Solution

The fourth proportional to 168,416.52, 252,413.22 and 84,200.13 is: 126,194.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,416.52 : 252,413.22 = 84,200.13 : x
  2. Step 2: Convert to fraction form
    168,416.52/252,413.22 = 84,200.13/x
  3. Step 3: Cross multiply
    168,416.52x = 252,413.22 × 84,200.13
  4. Step 4: Simplify right side
    168,416.52x = 21,253,225,937.72
  5. Step 5: Solve for x
    x = 21,253,225,937.72/168,416.52
  6. Step 6: Final answer
    x = 126,194.43

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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.