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Finding the Fourth Proportional to 192,022.40, 288,033.60 and 161,609.60

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Solution

The fourth proportional to 192,022.40, 288,033.60 and 161,609.60 is: 242,414.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,022.40 : 288,033.60 = 161,609.60 : x
  2. Step 2: Convert to fraction form
    192,022.40/288,033.60 = 161,609.60/x
  3. Step 3: Cross multiply
    192,022.40x = 288,033.60 × 161,609.60
  4. Step 4: Simplify right side
    192,022.40x = 46,548,994,882.56
  5. Step 5: Solve for x
    x = 46,548,994,882.56/192,022.40
  6. Step 6: Final answer
    x = 242,414.40

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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.