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Finding the Fourth Proportional to 192,452.44, 288,604.86 and 66,069.13

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Solution

The fourth proportional to 192,452.44, 288,604.86 and 66,069.13 is: 99,078.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,452.44 : 288,604.86 = 66,069.13 : x
  2. Step 2: Convert to fraction form
    192,452.44/288,604.86 = 66,069.13/x
  3. Step 3: Cross multiply
    192,452.44x = 288,604.86 × 66,069.13
  4. Step 4: Simplify right side
    192,452.44x = 19,067,872,013.97
  5. Step 5: Solve for x
    x = 19,067,872,013.97/192,452.44
  6. Step 6: Final answer
    x = 99,078.36

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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.