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Finding the Fourth Proportional to 150,796, 225,849.38 and 71,965.58

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Solution

The fourth proportional to 150,796, 225,849.38 and 71,965.58 is: 107,783.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,796 : 225,849.38 = 71,965.58 : x
  2. Step 2: Convert to fraction form
    150,796/225,849.38 = 71,965.58/x
  3. Step 3: Cross multiply
    150,796x = 225,849.38 × 71,965.58
  4. Step 4: Simplify right side
    150,796x = 16,253,381,624.34
  5. Step 5: Solve for x
    x = 16,253,381,624.34/150,796
  6. Step 6: Final answer
    x = 107,783.90

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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.