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Finding the Fourth Proportional to 66,793.42, 100,227 and 37,227.90

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Solution

The fourth proportional to 66,793.42, 100,227 and 37,227.90 is: 55,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,793.42 : 100,227 = 37,227.90 : x
  2. Step 2: Convert to fraction form
    66,793.42/100,227 = 37,227.90/x
  3. Step 3: Cross multiply
    66,793.42x = 100,227 × 37,227.90
  4. Step 4: Simplify right side
    66,793.42x = 3,731,240,733.30
  5. Step 5: Solve for x
    x = 3,731,240,733.30/66,793.42
  6. Step 6: Final answer
    x = 55,862.40

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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.