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Finding the Fourth Proportional to 80,122.91, 110,569.05 and 44,311.59

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Solution

The fourth proportional to 80,122.91, 110,569.05 and 44,311.59 is: 61,149.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,122.91 : 110,569.05 = 44,311.59 : x
  2. Step 2: Convert to fraction form
    80,122.91/110,569.05 = 44,311.59/x
  3. Step 3: Cross multiply
    80,122.91x = 110,569.05 × 44,311.59
  4. Step 4: Simplify right side
    80,122.91x = 4,899,490,410.29
  5. Step 5: Solve for x
    x = 4,899,490,410.29/80,122.91
  6. Step 6: Final answer
    x = 61,149.69

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1.5x scale

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.