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Finding the Fourth Proportional to 167,413.30, 251,118.59 and 67,571.96

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Solution

The fourth proportional to 167,413.30, 251,118.59 and 67,571.96 is: 101,357.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,413.30 : 251,118.59 = 67,571.96 : x
  2. Step 2: Convert to fraction form
    167,413.30/251,118.59 = 67,571.96/x
  3. Step 3: Cross multiply
    167,413.30x = 251,118.59 × 67,571.96
  4. Step 4: Simplify right side
    167,413.30x = 16,968,575,608.67
  5. Step 5: Solve for x
    x = 16,968,575,608.67/167,413.30
  6. Step 6: Final answer
    x = 101,357.39

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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.