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Finding the Fourth Proportional to 80,380.81, 110,930.49 and 44,570.82

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Solution

The fourth proportional to 80,380.81, 110,930.49 and 44,570.82 is: 61,510.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,380.81 : 110,930.49 = 44,570.82 : x
  2. Step 2: Convert to fraction form
    80,380.81/110,930.49 = 44,570.82/x
  3. Step 3: Cross multiply
    80,380.81x = 110,930.49 × 44,570.82
  4. Step 4: Simplify right side
    80,380.81x = 4,944,262,694.31
  5. Step 5: Solve for x
    x = 4,944,262,694.31/80,380.81
  6. Step 6: Final answer
    x = 61,510.49

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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.