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Finding the Fourth Proportional to 252,757.67, 379,239.71 and 162,847.40

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Solution

The fourth proportional to 252,757.67, 379,239.71 and 162,847.40 is: 244,337.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,757.67 : 379,239.71 = 162,847.40 : x
  2. Step 2: Convert to fraction form
    252,757.67/379,239.71 = 162,847.40/x
  3. Step 3: Cross multiply
    252,757.67x = 379,239.71 × 162,847.40
  4. Step 4: Simplify right side
    252,757.67x = 61,758,198,039.82
  5. Step 5: Solve for x
    x = 61,758,198,039.82/252,757.67
  6. Step 6: Final answer
    x = 244,337.59

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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.