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Finding the Fourth Proportional to 66,845, 100,228.62 and 29,404.04

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Solution

The fourth proportional to 66,845, 100,228.62 and 29,404.04 is: 44,088.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,845 : 100,228.62 = 29,404.04 : x
  2. Step 2: Convert to fraction form
    66,845/100,228.62 = 29,404.04/x
  3. Step 3: Cross multiply
    66,845x = 100,228.62 × 29,404.04
  4. Step 4: Simplify right side
    66,845x = 2,947,126,351.62
  5. Step 5: Solve for x
    x = 2,947,126,351.62/66,845
  6. Step 6: Final answer
    x = 44,088.96

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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.