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Finding the Fourth Proportional to 172,937.26, 259,413.84 and 52,985.62

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Solution

The fourth proportional to 172,937.26, 259,413.84 and 52,985.62 is: 79,480.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,937.26 : 259,413.84 = 52,985.62 : x
  2. Step 2: Convert to fraction form
    172,937.26/259,413.84 = 52,985.62/x
  3. Step 3: Cross multiply
    172,937.26x = 259,413.84 × 52,985.62
  4. Step 4: Simplify right side
    172,937.26x = 13,745,201,586.98
  5. Step 5: Solve for x
    x = 13,745,201,586.98/172,937.26
  6. Step 6: Final answer
    x = 79,480.86

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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.