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Finding the Fourth Proportional to 80,413.74, 110,980.44 and 44,606.06

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Solution

The fourth proportional to 80,413.74, 110,980.44 and 44,606.06 is: 61,561.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,413.74 : 110,980.44 = 44,606.06 : x
  2. Step 2: Convert to fraction form
    80,413.74/110,980.44 = 44,606.06/x
  3. Step 3: Cross multiply
    80,413.74x = 110,980.44 × 44,606.06
  4. Step 4: Simplify right side
    80,413.74x = 4,950,400,165.47
  5. Step 5: Solve for x
    x = 4,950,400,165.47/80,413.74
  6. Step 6: Final answer
    x = 61,561.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.