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Finding the Fourth Proportional to 202,451.36, 303,573.20 and 118,375.80

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Solution

The fourth proportional to 202,451.36, 303,573.20 and 118,375.80 is: 177,502.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,451.36 : 303,573.20 = 118,375.80 : x
  2. Step 2: Convert to fraction form
    202,451.36/303,573.20 = 118,375.80/x
  3. Step 3: Cross multiply
    202,451.36x = 303,573.20 × 118,375.80
  4. Step 4: Simplify right side
    202,451.36x = 35,935,720,408.56
  5. Step 5: Solve for x
    x = 35,935,720,408.56/202,451.36
  6. Step 6: Final answer
    x = 177,502.98

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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.