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Finding the Fourth Proportional to 103,239.96, 154,841.41 and 27,338.98

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Solution

The fourth proportional to 103,239.96, 154,841.41 and 27,338.98 is: 41,003.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,239.96 : 154,841.41 = 27,338.98 : x
  2. Step 2: Convert to fraction form
    103,239.96/154,841.41 = 27,338.98/x
  3. Step 3: Cross multiply
    103,239.96x = 154,841.41 × 27,338.98
  4. Step 4: Simplify right side
    103,239.96x = 4,233,206,211.16
  5. Step 5: Solve for x
    x = 4,233,206,211.16/103,239.96
  6. Step 6: Final answer
    x = 41,003.56

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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.