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Finding the Fourth Proportional to 222,013.80, 332,145.90 and 192,756.60

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Solution

The fourth proportional to 222,013.80, 332,145.90 and 192,756.60 is: 288,375.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,013.80 : 332,145.90 = 192,756.60 : x
  2. Step 2: Convert to fraction form
    222,013.80/332,145.90 = 192,756.60/x
  3. Step 3: Cross multiply
    222,013.80x = 332,145.90 × 192,756.60
  4. Step 4: Simplify right side
    222,013.80x = 64,023,314,387.94
  5. Step 5: Solve for x
    x = 64,023,314,387.94/222,013.80
  6. Step 6: Final answer
    x = 288,375.38

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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.