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Finding the Fourth Proportional to 173,633.32, 259,739.46 and 131,197.96

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Solution

The fourth proportional to 173,633.32, 259,739.46 and 131,197.96 is: 196,260.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,633.32 : 259,739.46 = 131,197.96 : x
  2. Step 2: Convert to fraction form
    173,633.32/259,739.46 = 131,197.96/x
  3. Step 3: Cross multiply
    173,633.32x = 259,739.46 × 131,197.96
  4. Step 4: Simplify right side
    173,633.32x = 34,077,287,608.18
  5. Step 5: Solve for x
    x = 34,077,287,608.18/173,633.32
  6. Step 6: Final answer
    x = 196,260.07

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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.