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Finding the Fourth Proportional to 66,794.42, 100,195.73 and 29,372.12

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Solution

The fourth proportional to 66,794.42, 100,195.73 and 29,372.12 is: 44,059.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,794.42 : 100,195.73 = 29,372.12 : x
  2. Step 2: Convert to fraction form
    66,794.42/100,195.73 = 29,372.12/x
  3. Step 3: Cross multiply
    66,794.42x = 100,195.73 × 29,372.12
  4. Step 4: Simplify right side
    66,794.42x = 2,942,961,008.31
  5. Step 5: Solve for x
    x = 2,942,961,008.31/66,794.42
  6. Step 6: Final answer
    x = 44,059.98

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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.