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Finding the Fourth Proportional to 79,413.82, 119,135.31 and 29,528.35

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Solution

The fourth proportional to 79,413.82, 119,135.31 and 29,528.35 is: 44,297.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,413.82 : 119,135.31 = 29,528.35 : x
  2. Step 2: Convert to fraction form
    79,413.82/119,135.31 = 29,528.35/x
  3. Step 3: Cross multiply
    79,413.82x = 119,135.31 × 29,528.35
  4. Step 4: Simplify right side
    79,413.82x = 3,517,869,131.04
  5. Step 5: Solve for x
    x = 3,517,869,131.04/79,413.82
  6. Step 6: Final answer
    x = 44,297.95

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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.