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Finding the Fourth Proportional to 202,520.42, 303,694.04 and 69,414.13

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Solution

The fourth proportional to 202,520.42, 303,694.04 and 69,414.13 is: 104,091.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,520.42 : 303,694.04 = 69,414.13 : x
  2. Step 2: Convert to fraction form
    202,520.42/303,694.04 = 69,414.13/x
  3. Step 3: Cross multiply
    202,520.42x = 303,694.04 × 69,414.13
  4. Step 4: Simplify right side
    202,520.42x = 21,080,658,125.94
  5. Step 5: Solve for x
    x = 21,080,658,125.94/202,520.42
  6. Step 6: Final answer
    x = 104,091.52

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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.