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Finding the Fourth Proportional to 283,600.00, 425,467.88 and 81,198.92

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Solution

The fourth proportional to 283,600.00, 425,467.88 and 81,198.92 is: 121,817.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,600.00 : 425,467.88 = 81,198.92 : x
  2. Step 2: Convert to fraction form
    283,600.00/425,467.88 = 81,198.92/x
  3. Step 3: Cross multiply
    283,600.00x = 425,467.88 × 81,198.92
  4. Step 4: Simplify right side
    283,600.00x = 34,547,531,944.70
  5. Step 5: Solve for x
    x = 34,547,531,944.70/283,600.00
  6. Step 6: Final answer
    x = 121,817.82

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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.