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Finding the Fourth Proportional to 192,173.82, 288,067.77 and 65,727.63

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Solution

The fourth proportional to 192,173.82, 288,067.77 and 65,727.63 is: 98,525.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,173.82 : 288,067.77 = 65,727.63 : x
  2. Step 2: Convert to fraction form
    192,173.82/288,067.77 = 65,727.63/x
  3. Step 3: Cross multiply
    192,173.82x = 288,067.77 × 65,727.63
  4. Step 4: Simplify right side
    192,173.82x = 18,934,010,806.44
  5. Step 5: Solve for x
    x = 18,934,010,806.44/192,173.82
  6. Step 6: Final answer
    x = 98,525.45

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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.