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Finding the Fourth Proportional to 80,310.18, 110,828.25 and 44,499.90

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Solution

The fourth proportional to 80,310.18, 110,828.25 and 44,499.90 is: 61,409.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,310.18 : 110,828.25 = 44,499.90 : x
  2. Step 2: Convert to fraction form
    80,310.18/110,828.25 = 44,499.90/x
  3. Step 3: Cross multiply
    80,310.18x = 110,828.25 × 44,499.90
  4. Step 4: Simplify right side
    80,310.18x = 4,931,846,042.18
  5. Step 5: Solve for x
    x = 4,931,846,042.18/80,310.18
  6. Step 6: Final answer
    x = 61,409.97

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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.