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Finding the Fourth Proportional to 80,650.76, 111,300.90 and 44,850.92

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Solution

The fourth proportional to 80,650.76, 111,300.90 and 44,850.92 is: 61,895.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,650.76 : 111,300.90 = 44,850.92 : x
  2. Step 2: Convert to fraction form
    80,650.76/111,300.90 = 44,850.92/x
  3. Step 3: Cross multiply
    80,650.76x = 111,300.90 × 44,850.92
  4. Step 4: Simplify right side
    80,650.76x = 4,991,947,761.83
  5. Step 5: Solve for x
    x = 4,991,947,761.83/80,650.76
  6. Step 6: Final answer
    x = 61,895.86

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Double scale
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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.