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Finding the Fourth Proportional to 283,813.92, 425,490.03 and 106,221.42

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Solution

The fourth proportional to 283,813.92, 425,490.03 and 106,221.42 is: 159,245.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,813.92 : 425,490.03 = 106,221.42 : x
  2. Step 2: Convert to fraction form
    283,813.92/425,490.03 = 106,221.42/x
  3. Step 3: Cross multiply
    283,813.92x = 425,490.03 × 106,221.42
  4. Step 4: Simplify right side
    283,813.92x = 45,196,155,182.44
  5. Step 5: Solve for x
    x = 45,196,155,182.44/283,813.92
  6. Step 6: Final answer
    x = 159,245.73

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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.