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Finding the Fourth Proportional to 283,856.33, 425,092.82 and 187,734.98

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Solution

The fourth proportional to 283,856.33, 425,092.82 and 187,734.98 is: 281,145.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,856.33 : 425,092.82 = 187,734.98 : x
  2. Step 2: Convert to fraction form
    283,856.33/425,092.82 = 187,734.98/x
  3. Step 3: Cross multiply
    283,856.33x = 425,092.82 × 187,734.98
  4. Step 4: Simplify right side
    283,856.33x = 79,804,793,592.91
  5. Step 5: Solve for x
    x = 79,804,793,592.91/283,856.33
  6. Step 6: Final answer
    x = 281,145.02

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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.