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Finding the Fourth Proportional to 202,746.70, 303,908.46 and 90,479.44

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Solution

The fourth proportional to 202,746.70, 303,908.46 and 90,479.44 is: 135,624.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,746.70 : 303,908.46 = 90,479.44 : x
  2. Step 2: Convert to fraction form
    202,746.70/303,908.46 = 90,479.44/x
  3. Step 3: Cross multiply
    202,746.70x = 303,908.46 × 90,479.44
  4. Step 4: Simplify right side
    202,746.70x = 27,497,467,272.06
  5. Step 5: Solve for x
    x = 27,497,467,272.06/202,746.70
  6. Step 6: Final answer
    x = 135,624.73

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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.