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Finding the Fourth Proportional to 293,190.44, 439,793.22 and 79,960.10

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Solution

The fourth proportional to 293,190.44, 439,793.22 and 79,960.10 is: 119,942.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,190.44 : 439,793.22 = 79,960.10 : x
  2. Step 2: Convert to fraction form
    293,190.44/439,793.22 = 79,960.10/x
  3. Step 3: Cross multiply
    293,190.44x = 439,793.22 × 79,960.10
  4. Step 4: Simplify right side
    293,190.44x = 35,165,909,850.52
  5. Step 5: Solve for x
    x = 35,165,909,850.52/293,190.44
  6. Step 6: Final answer
    x = 119,942.21

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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.