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Finding the Fourth Proportional to 192,469.26, 288,621.36 and 66,122.22

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Solution

The fourth proportional to 192,469.26, 288,621.36 and 66,122.22 is: 99,154.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,469.26 : 288,621.36 = 66,122.22 : x
  2. Step 2: Convert to fraction form
    192,469.26/288,621.36 = 66,122.22/x
  3. Step 3: Cross multiply
    192,469.26x = 288,621.36 × 66,122.22
  4. Step 4: Simplify right side
    192,469.26x = 19,084,285,062.62
  5. Step 5: Solve for x
    x = 19,084,285,062.62/192,469.26
  6. Step 6: Final answer
    x = 99,154.98

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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.