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Finding the Fourth Proportional to 267,910.86, 369,721.50 and 147,063.44

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Solution

The fourth proportional to 267,910.86, 369,721.50 and 147,063.44 is: 202,950.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,910.86 : 369,721.50 = 147,063.44 : x
  2. Step 2: Convert to fraction form
    267,910.86/369,721.50 = 147,063.44/x
  3. Step 3: Cross multiply
    267,910.86x = 369,721.50 × 147,063.44
  4. Step 4: Simplify right side
    267,910.86x = 54,372,515,631.96
  5. Step 5: Solve for x
    x = 54,372,515,631.96/267,910.86
  6. Step 6: Final answer
    x = 202,950.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.