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Finding the Fourth Proportional to 303,062.54, 418,224.33 and 165,241.44

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Solution

The fourth proportional to 303,062.54, 418,224.33 and 165,241.44 is: 228,032.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,062.54 : 418,224.33 = 165,241.44 : x
  2. Step 2: Convert to fraction form
    303,062.54/418,224.33 = 165,241.44/x
  3. Step 3: Cross multiply
    303,062.54x = 418,224.33 × 165,241.44
  4. Step 4: Simplify right side
    303,062.54x = 69,107,990,532.24
  5. Step 5: Solve for x
    x = 69,107,990,532.24/303,062.54
  6. Step 6: Final answer
    x = 228,032.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.