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Finding the Fourth Proportional to 45,202, 67,797.80 and 18,183.33

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Solution

The fourth proportional to 45,202, 67,797.80 and 18,183.33 is: 27,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,202 : 67,797.80 = 18,183.33 : x
  2. Step 2: Convert to fraction form
    45,202/67,797.80 = 18,183.33/x
  3. Step 3: Cross multiply
    45,202x = 67,797.80 × 18,183.33
  4. Step 4: Simplify right side
    45,202x = 1,232,789,770.67
  5. Step 5: Solve for x
    x = 1,232,789,770.67/45,202
  6. Step 6: Final answer
    x = 27,272.90

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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.