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Finding the Fourth Proportional to 192,299.78, 288,449.88 and 50,144.93

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Solution

The fourth proportional to 192,299.78, 288,449.88 and 50,144.93 is: 75,217.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,299.78 : 288,449.88 = 50,144.93 : x
  2. Step 2: Convert to fraction form
    192,299.78/288,449.88 = 50,144.93/x
  3. Step 3: Cross multiply
    192,299.78x = 288,449.88 × 50,144.93
  4. Step 4: Simplify right side
    192,299.78x = 14,464,297,598.86
  5. Step 5: Solve for x
    x = 14,464,297,598.86/192,299.78
  6. Step 6: Final answer
    x = 75,217.44

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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.