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Finding the Fourth Proportional to 202,063.68, 303,029.52 and 67,091.52

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Solution

The fourth proportional to 202,063.68, 303,029.52 and 67,091.52 is: 100,615.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,063.68 : 303,029.52 = 67,091.52 : x
  2. Step 2: Convert to fraction form
    202,063.68/303,029.52 = 67,091.52/x
  3. Step 3: Cross multiply
    202,063.68x = 303,029.52 × 67,091.52
  4. Step 4: Simplify right side
    202,063.68x = 20,330,711,101.67
  5. Step 5: Solve for x
    x = 20,330,711,101.67/202,063.68
  6. Step 6: Final answer
    x = 100,615.37

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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.