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Finding the Fourth Proportional to 168,271.68, 252,504 and 68,413.44

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Solution

The fourth proportional to 168,271.68, 252,504 and 68,413.44 is: 102,659.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,271.68 : 252,504 = 68,413.44 : x
  2. Step 2: Convert to fraction form
    168,271.68/252,504 = 68,413.44/x
  3. Step 3: Cross multiply
    168,271.68x = 252,504 × 68,413.44
  4. Step 4: Simplify right side
    168,271.68x = 17,274,667,253.76
  5. Step 5: Solve for x
    x = 17,274,667,253.76/168,271.68
  6. Step 6: Final answer
    x = 102,659.39

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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.