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Finding the Fourth Proportional to 204,703.80, 306,618.30 and 169,711.80

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Solution

The fourth proportional to 204,703.80, 306,618.30 and 169,711.80 is: 254,205.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,703.80 : 306,618.30 = 169,711.80 : x
  2. Step 2: Convert to fraction form
    204,703.80/306,618.30 = 169,711.80/x
  3. Step 3: Cross multiply
    204,703.80x = 306,618.30 × 169,711.80
  4. Step 4: Simplify right side
    204,703.80x = 52,036,743,605.94
  5. Step 5: Solve for x
    x = 52,036,743,605.94/204,703.80
  6. Step 6: Final answer
    x = 254,205.07

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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.