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Finding the Fourth Proportional to 283,760.72, 425,642.61 and 84,082.83

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Solution

The fourth proportional to 283,760.72, 425,642.61 and 84,082.83 is: 126,124.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,760.72 : 425,642.61 = 84,082.83 : x
  2. Step 2: Convert to fraction form
    283,760.72/425,642.61 = 84,082.83/x
  3. Step 3: Cross multiply
    283,760.72x = 425,642.61 × 84,082.83
  4. Step 4: Simplify right side
    283,760.72x = 35,789,235,217.39
  5. Step 5: Solve for x
    x = 35,789,235,217.39/283,760.72
  6. Step 6: Final answer
    x = 126,124.70

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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.