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Finding the Fourth Proportional to 187,092.27, 280,749.12 and 68,846.64

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Solution

The fourth proportional to 187,092.27, 280,749.12 and 68,846.64 is: 103,310.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,092.27 : 280,749.12 = 68,846.64 : x
  2. Step 2: Convert to fraction form
    187,092.27/280,749.12 = 68,846.64/x
  3. Step 3: Cross multiply
    187,092.27x = 280,749.12 × 68,846.64
  4. Step 4: Simplify right side
    187,092.27x = 19,328,633,594.96
  5. Step 5: Solve for x
    x = 19,328,633,594.96/187,092.27
  6. Step 6: Final answer
    x = 103,310.70

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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.