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Finding the Fourth Proportional to 283,751.06, 425,689.23 and 84,087.38

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Solution

The fourth proportional to 283,751.06, 425,689.23 and 84,087.38 is: 126,149.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,751.06 : 425,689.23 = 84,087.38 : x
  2. Step 2: Convert to fraction form
    283,751.06/425,689.23 = 84,087.38/x
  3. Step 3: Cross multiply
    283,751.06x = 425,689.23 × 84,087.38
  4. Step 4: Simplify right side
    283,751.06x = 35,795,092,044.92
  5. Step 5: Solve for x
    x = 35,795,092,044.92/283,751.06
  6. Step 6: Final answer
    x = 126,149.63

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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.