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Finding the Fourth Proportional to 267,351, 400,906.68 and 159,331.38

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Solution

The fourth proportional to 267,351, 400,906.68 and 159,331.38 is: 238,925.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,351 : 400,906.68 = 159,331.38 : x
  2. Step 2: Convert to fraction form
    267,351/400,906.68 = 159,331.38/x
  3. Step 3: Cross multiply
    267,351x = 400,906.68 × 159,331.38
  4. Step 4: Simplify right side
    267,351x = 63,877,014,575.62
  5. Step 5: Solve for x
    x = 63,877,014,575.62/267,351
  6. Step 6: Final answer
    x = 238,925.66

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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.