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Finding the Fourth Proportional to 195,357.70, 269,584.45 and 109,327.61

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Solution

The fourth proportional to 195,357.70, 269,584.45 and 109,327.61 is: 150,866.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,357.70 : 269,584.45 = 109,327.61 : x
  2. Step 2: Convert to fraction form
    195,357.70/269,584.45 = 109,327.61/x
  3. Step 3: Cross multiply
    195,357.70x = 269,584.45 × 109,327.61
  4. Step 4: Simplify right side
    195,357.70x = 29,473,023,110.86
  5. Step 5: Solve for x
    x = 29,473,023,110.86/195,357.70
  6. Step 6: Final answer
    x = 150,866.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.