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Finding the Fourth Proportional to 80,413.65, 110,977.43 and 44,607.33

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Solution

The fourth proportional to 80,413.65, 110,977.43 and 44,607.33 is: 61,561.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,413.65 : 110,977.43 = 44,607.33 : x
  2. Step 2: Convert to fraction form
    80,413.65/110,977.43 = 44,607.33/x
  3. Step 3: Cross multiply
    80,413.65x = 110,977.43 × 44,607.33
  4. Step 4: Simplify right side
    80,413.65x = 4,950,406,619.53
  5. Step 5: Solve for x
    x = 4,950,406,619.53/80,413.65
  6. Step 6: Final answer
    x = 61,561.77

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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.