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Finding the Fourth Proportional to 79,675.32, 109,949.81 and 43,865.61

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Solution

The fourth proportional to 79,675.32, 109,949.81 and 43,865.61 is: 60,533.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,675.32 : 109,949.81 = 43,865.61 : x
  2. Step 2: Convert to fraction form
    79,675.32/109,949.81 = 43,865.61/x
  3. Step 3: Cross multiply
    79,675.32x = 109,949.81 × 43,865.61
  4. Step 4: Simplify right side
    79,675.32x = 4,823,015,485.03
  5. Step 5: Solve for x
    x = 4,823,015,485.03/79,675.32
  6. Step 6: Final answer
    x = 60,533.37

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