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Finding the Fourth Proportional to 202,616.20, 304,442.70 and 179,806.60

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Solution

The fourth proportional to 202,616.20, 304,442.70 and 179,806.60 is: 270,169.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,616.20 : 304,442.70 = 179,806.60 : x
  2. Step 2: Convert to fraction form
    202,616.20/304,442.70 = 179,806.60/x
  3. Step 3: Cross multiply
    202,616.20x = 304,442.70 × 179,806.60
  4. Step 4: Simplify right side
    202,616.20x = 54,740,806,781.82
  5. Step 5: Solve for x
    x = 54,740,806,781.82/202,616.20
  6. Step 6: Final answer
    x = 270,169.94

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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.