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Finding the Fourth Proportional to 80,193, 110,662.02 and 44,381.28

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Solution

The fourth proportional to 80,193, 110,662.02 and 44,381.28 is: 61,243.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,193 : 110,662.02 = 44,381.28 : x
  2. Step 2: Convert to fraction form
    80,193/110,662.02 = 44,381.28/x
  3. Step 3: Cross multiply
    80,193x = 110,662.02 × 44,381.28
  4. Step 4: Simplify right side
    80,193x = 4,911,322,094.99
  5. Step 5: Solve for x
    x = 4,911,322,094.99/80,193
  6. Step 6: Final answer
    x = 61,243.78

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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.