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Finding the Fourth Proportional to 205,805.27, 308,753.28 and 61,705.37

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Solution

The fourth proportional to 205,805.27, 308,753.28 and 61,705.37 is: 92,571.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,805.27 : 308,753.28 = 61,705.37 : x
  2. Step 2: Convert to fraction form
    205,805.27/308,753.28 = 61,705.37/x
  3. Step 3: Cross multiply
    205,805.27x = 308,753.28 × 61,705.37
  4. Step 4: Simplify right side
    205,805.27x = 19,051,733,837.35
  5. Step 5: Solve for x
    x = 19,051,733,837.35/205,805.27
  6. Step 6: Final answer
    x = 92,571.65

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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.