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Finding the Fourth Proportional to 80,375.96, 110,916.94 and 44,565.64

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Solution

The fourth proportional to 80,375.96, 110,916.94 and 44,565.64 is: 61,499.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,375.96 : 110,916.94 = 44,565.64 : x
  2. Step 2: Convert to fraction form
    80,375.96/110,916.94 = 44,565.64/x
  3. Step 3: Cross multiply
    80,375.96x = 110,916.94 × 44,565.64
  4. Step 4: Simplify right side
    80,375.96x = 4,943,084,417.94
  5. Step 5: Solve for x
    x = 4,943,084,417.94/80,375.96
  6. Step 6: Final answer
    x = 61,499.54

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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.