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Finding the Fourth Proportional to 136,379.79, 204,600.64 and 41,618.43

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Solution

The fourth proportional to 136,379.79, 204,600.64 and 41,618.43 is: 62,437.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,379.79 : 204,600.64 = 41,618.43 : x
  2. Step 2: Convert to fraction form
    136,379.79/204,600.64 = 41,618.43/x
  3. Step 3: Cross multiply
    136,379.79x = 204,600.64 × 41,618.43
  4. Step 4: Simplify right side
    136,379.79x = 8,515,157,413.80
  5. Step 5: Solve for x
    x = 8,515,157,413.80/136,379.79
  6. Step 6: Final answer
    x = 62,437.09

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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.