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Finding the Fourth Proportional to 283,641.20, 425,519.40 and 96,671.60

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Solution

The fourth proportional to 283,641.20, 425,519.40 and 96,671.60 is: 145,027.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,641.20 : 425,519.40 = 96,671.60 : x
  2. Step 2: Convert to fraction form
    283,641.20/425,519.40 = 96,671.60/x
  3. Step 3: Cross multiply
    283,641.20x = 425,519.40 × 96,671.60
  4. Step 4: Simplify right side
    283,641.20x = 41,135,641,229.04
  5. Step 5: Solve for x
    x = 41,135,641,229.04/283,641.20
  6. Step 6: Final answer
    x = 145,027.03

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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.