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Finding the Fourth Proportional to 273,392.30, 410,070.22 and 131,339.36

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Solution

The fourth proportional to 273,392.30, 410,070.22 and 131,339.36 is: 197,000.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,392.30 : 410,070.22 = 131,339.36 : x
  2. Step 2: Convert to fraction form
    273,392.30/410,070.22 = 131,339.36/x
  3. Step 3: Cross multiply
    273,392.30x = 410,070.22 × 131,339.36
  4. Step 4: Simplify right side
    273,392.30x = 53,858,360,249.86
  5. Step 5: Solve for x
    x = 53,858,360,249.86/273,392.30
  6. Step 6: Final answer
    x = 197,000.28

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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.