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Finding the Fourth Proportional to 267,552.60, 401,328 and 67,872.48

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Solution

The fourth proportional to 267,552.60, 401,328 and 67,872.48 is: 101,808.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,552.60 : 401,328 = 67,872.48 : x
  2. Step 2: Convert to fraction form
    267,552.60/401,328 = 67,872.48/x
  3. Step 3: Cross multiply
    267,552.60x = 401,328 × 67,872.48
  4. Step 4: Simplify right side
    267,552.60x = 27,239,126,653.44
  5. Step 5: Solve for x
    x = 27,239,126,653.44/267,552.60
  6. Step 6: Final answer
    x = 101,808.49

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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.