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Finding the Fourth Proportional to 109,879.92, 164,818.62 and 26,773.92

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Solution

The fourth proportional to 109,879.92, 164,818.62 and 26,773.92 is: 40,160.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,879.92 : 164,818.62 = 26,773.92 : x
  2. Step 2: Convert to fraction form
    109,879.92/164,818.62 = 26,773.92/x
  3. Step 3: Cross multiply
    109,879.92x = 164,818.62 × 26,773.92
  4. Step 4: Simplify right side
    109,879.92x = 4,412,840,546.39
  5. Step 5: Solve for x
    x = 4,412,840,546.39/109,879.92
  6. Step 6: Final answer
    x = 40,160.57

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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.