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Finding the Fourth Proportional to 73,413.79, 101,286.93 and 41,143.69

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Solution

The fourth proportional to 73,413.79, 101,286.93 and 41,143.69 is: 56,764.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,413.79 : 101,286.93 = 41,143.69 : x
  2. Step 2: Convert to fraction form
    73,413.79/101,286.93 = 41,143.69/x
  3. Step 3: Cross multiply
    73,413.79x = 101,286.93 × 41,143.69
  4. Step 4: Simplify right side
    73,413.79x = 4,167,317,795.75
  5. Step 5: Solve for x
    x = 4,167,317,795.75/73,413.79
  6. Step 6: Final answer
    x = 56,764.78

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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.