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Finding the Fourth Proportional to 66,154.44, 99,229.44 and 16,234.68

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Solution

The fourth proportional to 66,154.44, 99,229.44 and 16,234.68 is: 24,351.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,154.44 : 99,229.44 = 16,234.68 : x
  2. Step 2: Convert to fraction form
    66,154.44/99,229.44 = 16,234.68/x
  3. Step 3: Cross multiply
    66,154.44x = 99,229.44 × 16,234.68
  4. Step 4: Simplify right side
    66,154.44x = 1,610,958,204.98
  5. Step 5: Solve for x
    x = 1,610,958,204.98/66,154.44
  6. Step 6: Final answer
    x = 24,351.48

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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.