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Finding the Fourth Proportional to 225,893.05, 338,837.64 and 57,413.86

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Solution

The fourth proportional to 225,893.05, 338,837.64 and 57,413.86 is: 86,120.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,893.05 : 338,837.64 = 57,413.86 : x
  2. Step 2: Convert to fraction form
    225,893.05/338,837.64 = 57,413.86/x
  3. Step 3: Cross multiply
    225,893.05x = 338,837.64 × 57,413.86
  4. Step 4: Simplify right side
    225,893.05x = 19,453,976,825.69
  5. Step 5: Solve for x
    x = 19,453,976,825.69/225,893.05
  6. Step 6: Final answer
    x = 86,120.30

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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.