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Finding the Fourth Proportional to 75,651.90, 104,413.24 and 43,838.34

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Solution

The fourth proportional to 75,651.90, 104,413.24 and 43,838.34 is: 60,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,651.90 : 104,413.24 = 43,838.34 : x
  2. Step 2: Convert to fraction form
    75,651.90/104,413.24 = 43,838.34/x
  3. Step 3: Cross multiply
    75,651.90x = 104,413.24 × 43,838.34
  4. Step 4: Simplify right side
    75,651.90x = 4,577,303,115.62
  5. Step 5: Solve for x
    x = 4,577,303,115.62/75,651.90
  6. Step 6: Final answer
    x = 60,504.80

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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.