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Finding the Fourth Proportional to 92,793.63, 139,190.39 and 33,629.21

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Solution

The fourth proportional to 92,793.63, 139,190.39 and 33,629.21 is: 50,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,793.63 : 139,190.39 = 33,629.21 : x
  2. Step 2: Convert to fraction form
    92,793.63/139,190.39 = 33,629.21/x
  3. Step 3: Cross multiply
    92,793.63x = 139,190.39 × 33,629.21
  4. Step 4: Simplify right side
    92,793.63x = 4,680,862,855.29
  5. Step 5: Solve for x
    x = 4,680,862,855.29/92,793.63
  6. Step 6: Final answer
    x = 50,443.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.