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Finding the Fourth Proportional to 80,125.91, 110,573.19 and 44,314.59

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Solution

The fourth proportional to 80,125.91, 110,573.19 and 44,314.59 is: 61,153.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,125.91 : 110,573.19 = 44,314.59 : x
  2. Step 2: Convert to fraction form
    80,125.91/110,573.19 = 44,314.59/x
  3. Step 3: Cross multiply
    80,125.91x = 110,573.19 × 44,314.59
  4. Step 4: Simplify right side
    80,125.91x = 4,900,005,579.84
  5. Step 5: Solve for x
    x = 4,900,005,579.84/80,125.91
  6. Step 6: Final answer
    x = 61,153.83

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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.