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Finding the Fourth Proportional to 267,337.81, 401,006.62 and 67,659.22

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Solution

The fourth proportional to 267,337.81, 401,006.62 and 67,659.22 is: 101,488.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,337.81 : 401,006.62 = 67,659.22 : x
  2. Step 2: Convert to fraction form
    267,337.81/401,006.62 = 67,659.22/x
  3. Step 3: Cross multiply
    267,337.81x = 401,006.62 × 67,659.22
  4. Step 4: Simplify right side
    267,337.81x = 27,131,795,124.04
  5. Step 5: Solve for x
    x = 27,131,795,124.04/267,337.81
  6. Step 6: Final answer
    x = 101,488.81

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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.