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Finding the Fourth Proportional to 267,695.49, 369,418.74 and 165,700.62

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Solution

The fourth proportional to 267,695.49, 369,418.74 and 165,700.62 is: 228,666.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,695.49 : 369,418.74 = 165,700.62 : x
  2. Step 2: Convert to fraction form
    267,695.49/369,418.74 = 165,700.62/x
  3. Step 3: Cross multiply
    267,695.49x = 369,418.74 × 165,700.62
  4. Step 4: Simplify right side
    267,695.49x = 61,212,914,257.62
  5. Step 5: Solve for x
    x = 61,212,914,257.62/267,695.49
  6. Step 6: Final answer
    x = 228,666.21

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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.