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Finding the Fourth Proportional to 80,410.46, 110,971.78 and 44,601.98

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Solution

The fourth proportional to 80,410.46, 110,971.78 and 44,601.98 is: 61,553.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,410.46 : 110,971.78 = 44,601.98 : x
  2. Step 2: Convert to fraction form
    80,410.46/110,971.78 = 44,601.98/x
  3. Step 3: Cross multiply
    80,410.46x = 110,971.78 × 44,601.98
  4. Step 4: Simplify right side
    80,410.46x = 4,949,561,112.12
  5. Step 5: Solve for x
    x = 4,949,561,112.12/80,410.46
  6. Step 6: Final answer
    x = 61,553.70

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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.