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Finding the Fourth Proportional to 232,695.50, 348,843.34 and 80,872.86

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Solution

The fourth proportional to 232,695.50, 348,843.34 and 80,872.86 is: 121,239.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,695.50 : 348,843.34 = 80,872.86 : x
  2. Step 2: Convert to fraction form
    232,695.50/348,843.34 = 80,872.86/x
  3. Step 3: Cross multiply
    232,695.50x = 348,843.34 × 80,872.86
  4. Step 4: Simplify right side
    232,695.50x = 28,211,956,853.54
  5. Step 5: Solve for x
    x = 28,211,956,853.54/232,695.50
  6. Step 6: Final answer
    x = 121,239.81

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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.