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Finding the Fourth Proportional to 205,557.44, 308,369.42 and 63,369.46

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Solution

The fourth proportional to 205,557.44, 308,369.42 and 63,369.46 is: 95,064.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,557.44 : 308,369.42 = 63,369.46 : x
  2. Step 2: Convert to fraction form
    205,557.44/308,369.42 = 63,369.46/x
  3. Step 3: Cross multiply
    205,557.44x = 308,369.42 × 63,369.46
  4. Step 4: Simplify right side
    205,557.44x = 19,541,203,625.91
  5. Step 5: Solve for x
    x = 19,541,203,625.91/205,557.44
  6. Step 6: Final answer
    x = 95,064.44

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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.