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Finding the Fourth Proportional to 273,392.80, 410,070.97 and 131,339.86

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Solution

The fourth proportional to 273,392.80, 410,070.97 and 131,339.86 is: 197,001.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,392.80 : 410,070.97 = 131,339.86 : x
  2. Step 2: Convert to fraction form
    273,392.80/410,070.97 = 131,339.86/x
  3. Step 3: Cross multiply
    273,392.80x = 410,070.97 × 131,339.86
  4. Step 4: Simplify right side
    273,392.80x = 53,858,663,789.86
  5. Step 5: Solve for x
    x = 53,858,663,789.86/273,392.80
  6. Step 6: Final answer
    x = 197,001.03

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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.