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Finding the Fourth Proportional to 202,425.22, 303,434.62 and 69,214.37

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Solution

The fourth proportional to 202,425.22, 303,434.62 and 69,214.37 is: 103,752.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,425.22 : 303,434.62 = 69,214.37 : x
  2. Step 2: Convert to fraction form
    202,425.22/303,434.62 = 69,214.37/x
  3. Step 3: Cross multiply
    202,425.22x = 303,434.62 × 69,214.37
  4. Step 4: Simplify right side
    202,425.22x = 21,002,034,369.28
  5. Step 5: Solve for x
    x = 21,002,034,369.28/202,425.22
  6. Step 6: Final answer
    x = 103,752.07

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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.