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Finding the Fourth Proportional to 100,748.85, 150,998.70 and 50,843.22

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Solution

The fourth proportional to 100,748.85, 150,998.70 and 50,843.22 is: 76,201.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,748.85 : 150,998.70 = 50,843.22 : x
  2. Step 2: Convert to fraction form
    100,748.85/150,998.70 = 50,843.22/x
  3. Step 3: Cross multiply
    100,748.85x = 150,998.70 × 50,843.22
  4. Step 4: Simplify right side
    100,748.85x = 7,677,259,748.23
  5. Step 5: Solve for x
    x = 7,677,259,748.23/100,748.85
  6. Step 6: Final answer
    x = 76,201.96

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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.