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Finding the Fourth Proportional to 79,362.01, 109,520.40 and 43,554.34

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Solution

The fourth proportional to 79,362.01, 109,520.40 and 43,554.34 is: 60,105.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,362.01 : 109,520.40 = 43,554.34 : x
  2. Step 2: Convert to fraction form
    79,362.01/109,520.40 = 43,554.34/x
  3. Step 3: Cross multiply
    79,362.01x = 109,520.40 × 43,554.34
  4. Step 4: Simplify right side
    79,362.01x = 4,770,088,738.54
  5. Step 5: Solve for x
    x = 4,770,088,738.54/79,362.01
  6. Step 6: Final answer
    x = 60,105.44

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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.