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Finding the Fourth Proportional to 267,218.66, 400,864.91 and 89,776.42

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Solution

The fourth proportional to 267,218.66, 400,864.91 and 89,776.42 is: 134,677.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,218.66 : 400,864.91 = 89,776.42 : x
  2. Step 2: Convert to fraction form
    267,218.66/400,864.91 = 89,776.42/x
  3. Step 3: Cross multiply
    267,218.66x = 400,864.91 × 89,776.42
  4. Step 4: Simplify right side
    267,218.66x = 35,988,215,072.38
  5. Step 5: Solve for x
    x = 35,988,215,072.38/267,218.66
  6. Step 6: Final answer
    x = 134,677.03

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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.