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Finding the Fourth Proportional to 202,217.88, 303,326.92 and 69,099.44

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Solution

The fourth proportional to 202,217.88, 303,326.92 and 69,099.44 is: 103,649.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,217.88 : 303,326.92 = 69,099.44 : x
  2. Step 2: Convert to fraction form
    202,217.88/303,326.92 = 69,099.44/x
  3. Step 3: Cross multiply
    202,217.88x = 303,326.92 × 69,099.44
  4. Step 4: Simplify right side
    202,217.88x = 20,959,720,308.92
  5. Step 5: Solve for x
    x = 20,959,720,308.92/202,217.88
  6. Step 6: Final answer
    x = 103,649.19

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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.