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Finding the Fourth Proportional to 150,553.71, 225,841.50 and 45,380.88

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Solution

The fourth proportional to 150,553.71, 225,841.50 and 45,380.88 is: 68,074.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,553.71 : 225,841.50 = 45,380.88 : x
  2. Step 2: Convert to fraction form
    150,553.71/225,841.50 = 45,380.88/x
  3. Step 3: Cross multiply
    150,553.71x = 225,841.50 × 45,380.88
  4. Step 4: Simplify right side
    150,553.71x = 10,248,886,010.52
  5. Step 5: Solve for x
    x = 10,248,886,010.52/150,553.71
  6. Step 6: Final answer
    x = 68,074.62

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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.