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Finding the Fourth Proportional to 181,245.83, 250,189.00 and 120,794.42

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Solution

The fourth proportional to 181,245.83, 250,189.00 and 120,794.42 is: 166,742.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,245.83 : 250,189.00 = 120,794.42 : x
  2. Step 2: Convert to fraction form
    181,245.83/250,189.00 = 120,794.42/x
  3. Step 3: Cross multiply
    181,245.83x = 250,189.00 × 120,794.42
  4. Step 4: Simplify right side
    181,245.83x = 30,221,434,255.68
  5. Step 5: Solve for x
    x = 30,221,434,255.68/181,245.83
  6. Step 6: Final answer
    x = 166,742.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.