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Finding the Fourth Proportional to 66,911.00, 100,169.46 and 44,669.21

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Solution

The fourth proportional to 66,911.00, 100,169.46 and 44,669.21 is: 66,872.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,911.00 : 100,169.46 = 44,669.21 : x
  2. Step 2: Convert to fraction form
    66,911.00/100,169.46 = 44,669.21/x
  3. Step 3: Cross multiply
    66,911.00x = 100,169.46 × 44,669.21
  4. Step 4: Simplify right side
    66,911.00x = 4,474,490,143.48
  5. Step 5: Solve for x
    x = 4,474,490,143.48/66,911.00
  6. Step 6: Final answer
    x = 66,872.27

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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.