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Finding the Fourth Proportional to 267,404.76, 369,073.26 and 154,212.12

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Solution

The fourth proportional to 267,404.76, 369,073.26 and 154,212.12 is: 212,844.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,404.76 : 369,073.26 = 154,212.12 : x
  2. Step 2: Convert to fraction form
    267,404.76/369,073.26 = 154,212.12/x
  3. Step 3: Cross multiply
    267,404.76x = 369,073.26 × 154,212.12
  4. Step 4: Simplify right side
    267,404.76x = 56,915,569,859.91
  5. Step 5: Solve for x
    x = 56,915,569,859.91/267,404.76
  6. Step 6: Final answer
    x = 212,844.27

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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.