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Finding the Fourth Proportional to 79,249.91, 118,882.22 and 28,661.59

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Solution

The fourth proportional to 79,249.91, 118,882.22 and 28,661.59 is: 42,995.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,249.91 : 118,882.22 = 28,661.59 : x
  2. Step 2: Convert to fraction form
    79,249.91/118,882.22 = 28,661.59/x
  3. Step 3: Cross multiply
    79,249.91x = 118,882.22 × 28,661.59
  4. Step 4: Simplify right side
    79,249.91x = 3,407,353,007.42
  5. Step 5: Solve for x
    x = 3,407,353,007.42/79,249.91
  6. Step 6: Final answer
    x = 42,995.04

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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.