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Finding the Fourth Proportional to 225,584.68, 338,343 and 75,818.92

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Solution

The fourth proportional to 225,584.68, 338,343 and 75,818.92 is: 113,716.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,584.68 : 338,343 = 75,818.92 : x
  2. Step 2: Convert to fraction form
    225,584.68/338,343 = 75,818.92/x
  3. Step 3: Cross multiply
    225,584.68x = 338,343 × 75,818.92
  4. Step 4: Simplify right side
    225,584.68x = 25,652,800,849.56
  5. Step 5: Solve for x
    x = 25,652,800,849.56/225,584.68
  6. Step 6: Final answer
    x = 113,716.95

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1.5x scale

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.