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Finding the Fourth Proportional to 192,452.69, 288,605.23 and 66,069.38

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Solution

The fourth proportional to 192,452.69, 288,605.23 and 66,069.38 is: 99,078.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,452.69 : 288,605.23 = 66,069.38 : x
  2. Step 2: Convert to fraction form
    192,452.69/288,605.23 = 66,069.38/x
  3. Step 3: Cross multiply
    192,452.69x = 288,605.23 × 66,069.38
  4. Step 4: Simplify right side
    192,452.69x = 19,067,968,610.86
  5. Step 5: Solve for x
    x = 19,067,968,610.86/192,452.69
  6. Step 6: Final answer
    x = 99,078.73

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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.