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Finding the Fourth Proportional to 267,342.56, 401,013.76 and 67,663.96

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Solution

The fourth proportional to 267,342.56, 401,013.76 and 67,663.96 is: 101,495.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,342.56 : 401,013.76 = 67,663.96 : x
  2. Step 2: Convert to fraction form
    267,342.56/401,013.76 = 67,663.96/x
  3. Step 3: Cross multiply
    267,342.56x = 401,013.76 × 67,663.96
  4. Step 4: Simplify right side
    267,342.56x = 27,134,179,016.09
  5. Step 5: Solve for x
    x = 27,134,179,016.09/267,342.56
  6. Step 6: Final answer
    x = 101,495.92

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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.