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Finding the Fourth Proportional to 277,249.61, 415,695.57 and 108,786.96

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Solution

The fourth proportional to 277,249.61, 415,695.57 and 108,786.96 is: 163,110.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,249.61 : 415,695.57 = 108,786.96 : x
  2. Step 2: Convert to fraction form
    277,249.61/415,695.57 = 108,786.96/x
  3. Step 3: Cross multiply
    277,249.61x = 415,695.57 × 108,786.96
  4. Step 4: Simplify right side
    277,249.61x = 45,222,256,380.60
  5. Step 5: Solve for x
    x = 45,222,256,380.60/277,249.61
  6. Step 6: Final answer
    x = 163,110.26

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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.