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Finding the Fourth Proportional to 113,608.85, 170,413.28 and 34,722.41

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Solution

The fourth proportional to 113,608.85, 170,413.28 and 34,722.41 is: 52,083.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,608.85 : 170,413.28 = 34,722.41 : x
  2. Step 2: Convert to fraction form
    113,608.85/170,413.28 = 34,722.41/x
  3. Step 3: Cross multiply
    113,608.85x = 170,413.28 × 34,722.41
  4. Step 4: Simplify right side
    113,608.85x = 5,917,160,290.44
  5. Step 5: Solve for x
    x = 5,917,160,290.44/113,608.85
  6. Step 6: Final answer
    x = 52,083.62

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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.