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Finding the Fourth Proportional to 267,294.62, 401,001.75 and 89,796.78

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Solution

The fourth proportional to 267,294.62, 401,001.75 and 89,796.78 is: 134,715.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,294.62 : 401,001.75 = 89,796.78 : x
  2. Step 2: Convert to fraction form
    267,294.62/401,001.75 = 89,796.78/x
  3. Step 3: Cross multiply
    267,294.62x = 401,001.75 × 89,796.78
  4. Step 4: Simplify right side
    267,294.62x = 36,008,665,924.37
  5. Step 5: Solve for x
    x = 36,008,665,924.37/267,294.62
  6. Step 6: Final answer
    x = 134,715.27

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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.