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Finding the Fourth Proportional to 84,092.70, 125,996.30 and 50,742.69

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Solution

The fourth proportional to 84,092.70, 125,996.30 and 50,742.69 is: 76,027.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,092.70 : 125,996.30 = 50,742.69 : x
  2. Step 2: Convert to fraction form
    84,092.70/125,996.30 = 50,742.69/x
  3. Step 3: Cross multiply
    84,092.70x = 125,996.30 × 50,742.69
  4. Step 4: Simplify right side
    84,092.70x = 6,393,391,192.05
  5. Step 5: Solve for x
    x = 6,393,391,192.05/84,092.70
  6. Step 6: Final answer
    x = 76,027.90

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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.