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Finding the Fourth Proportional to 191,504.43, 263,705.49 and 187,255.98

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Solution

The fourth proportional to 191,504.43, 263,705.49 and 187,255.98 is: 257,855.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,504.43 : 263,705.49 = 187,255.98 : x
  2. Step 2: Convert to fraction form
    191,504.43/263,705.49 = 187,255.98/x
  3. Step 3: Cross multiply
    191,504.43x = 263,705.49 × 187,255.98
  4. Step 4: Simplify right side
    191,504.43x = 49,380,429,961.33
  5. Step 5: Solve for x
    x = 49,380,429,961.33/191,504.43
  6. Step 6: Final answer
    x = 257,855.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.