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Finding the Fourth Proportional to 66,321.82, 99,472.92 and 24,192.04

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Solution

The fourth proportional to 66,321.82, 99,472.92 and 24,192.04 is: 36,284.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,321.82 : 99,472.92 = 24,192.04 : x
  2. Step 2: Convert to fraction form
    66,321.82/99,472.92 = 24,192.04/x
  3. Step 3: Cross multiply
    66,321.82x = 99,472.92 × 24,192.04
  4. Step 4: Simplify right side
    66,321.82x = 2,406,452,859.56
  5. Step 5: Solve for x
    x = 2,406,452,859.56/66,321.82
  6. Step 6: Final answer
    x = 36,284.48

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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.