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Finding the Fourth Proportional to 66,481.48, 99,723.10 and 22,108.24

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Solution

The fourth proportional to 66,481.48, 99,723.10 and 22,108.24 is: 33,162.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,481.48 : 99,723.10 = 22,108.24 : x
  2. Step 2: Convert to fraction form
    66,481.48/99,723.10 = 22,108.24/x
  3. Step 3: Cross multiply
    66,481.48x = 99,723.10 × 22,108.24
  4. Step 4: Simplify right side
    66,481.48x = 2,204,702,228.34
  5. Step 5: Solve for x
    x = 2,204,702,228.34/66,481.48
  6. Step 6: Final answer
    x = 33,162.65

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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.