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Finding the Fourth Proportional to 84,093.72, 125,997.85 and 50,743.71

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Solution

The fourth proportional to 84,093.72, 125,997.85 and 50,743.71 is: 76,029.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,093.72 : 125,997.85 = 50,743.71 : x
  2. Step 2: Convert to fraction form
    84,093.72/125,997.85 = 50,743.71/x
  3. Step 3: Cross multiply
    84,093.72x = 125,997.85 × 50,743.71
  4. Step 4: Simplify right side
    84,093.72x = 6,393,598,361.02
  5. Step 5: Solve for x
    x = 6,393,598,361.02/84,093.72
  6. Step 6: Final answer
    x = 76,029.44

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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.