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Finding the Fourth Proportional to 202,645.80, 303,531.30 and 167,653.80

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Solution

The fourth proportional to 202,645.80, 303,531.30 and 167,653.80 is: 251,118.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,645.80 : 303,531.30 = 167,653.80 : x
  2. Step 2: Convert to fraction form
    202,645.80/303,531.30 = 167,653.80/x
  3. Step 3: Cross multiply
    202,645.80x = 303,531.30 × 167,653.80
  4. Step 4: Simplify right side
    202,645.80x = 50,888,175,863.94
  5. Step 5: Solve for x
    x = 50,888,175,863.94/202,645.80
  6. Step 6: Final answer
    x = 251,118.83

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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.