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Finding the Fourth Proportional to 283,029.92, 424,542.96 and 86,037.92

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Solution

The fourth proportional to 283,029.92, 424,542.96 and 86,037.92 is: 129,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,029.92 : 424,542.96 = 86,037.92 : x
  2. Step 2: Convert to fraction form
    283,029.92/424,542.96 = 86,037.92/x
  3. Step 3: Cross multiply
    283,029.92x = 424,542.96 × 86,037.92
  4. Step 4: Simplify right side
    283,029.92x = 36,526,793,229.04
  5. Step 5: Solve for x
    x = 36,526,793,229.04/283,029.92
  6. Step 6: Final answer
    x = 129,056.30

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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.