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Finding the Fourth Proportional to 80,124.96, 110,562.85 and 44,310.10

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Solution

The fourth proportional to 80,124.96, 110,562.85 and 44,310.10 is: 61,142.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,124.96 : 110,562.85 = 44,310.10 : x
  2. Step 2: Convert to fraction form
    80,124.96/110,562.85 = 44,310.10/x
  3. Step 3: Cross multiply
    80,124.96x = 110,562.85 × 44,310.10
  4. Step 4: Simplify right side
    80,124.96x = 4,899,050,939.79
  5. Step 5: Solve for x
    x = 4,899,050,939.79/80,124.96
  6. Step 6: Final answer
    x = 61,142.63

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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.