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Finding the Fourth Proportional to 79,594.83, 109,841.39 and 43,783.92

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Solution

The fourth proportional to 79,594.83, 109,841.39 and 43,783.92 is: 60,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,594.83 : 109,841.39 = 43,783.92 : x
  2. Step 2: Convert to fraction form
    79,594.83/109,841.39 = 43,783.92/x
  3. Step 3: Cross multiply
    79,594.83x = 109,841.39 × 43,783.92
  4. Step 4: Simplify right side
    79,594.83x = 4,809,286,413.53
  5. Step 5: Solve for x
    x = 4,809,286,413.53/79,594.83
  6. Step 6: Final answer
    x = 60,422.10

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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.