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Finding the Fourth Proportional to 273,295.56, 409,992.54 and 131,020.26

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Solution

The fourth proportional to 273,295.56, 409,992.54 and 131,020.26 is: 196,553.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,295.56 : 409,992.54 = 131,020.26 : x
  2. Step 2: Convert to fraction form
    273,295.56/409,992.54 = 131,020.26/x
  3. Step 3: Cross multiply
    273,295.56x = 409,992.54 × 131,020.26
  4. Step 4: Simplify right side
    273,295.56x = 53,717,329,188.86
  5. Step 5: Solve for x
    x = 53,717,329,188.86/273,295.56
  6. Step 6: Final answer
    x = 196,553.98

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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.