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Finding the Fourth Proportional to 79,662.29, 109,933.20 and 43,851.38

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Solution

The fourth proportional to 79,662.29, 109,933.20 and 43,851.38 is: 60,514.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,662.29 : 109,933.20 = 43,851.38 : x
  2. Step 2: Convert to fraction form
    79,662.29/109,933.20 = 43,851.38/x
  3. Step 3: Cross multiply
    79,662.29x = 109,933.20 × 43,851.38
  4. Step 4: Simplify right side
    79,662.29x = 4,820,722,527.82
  5. Step 5: Solve for x
    x = 4,820,722,527.82/79,662.29
  6. Step 6: Final answer
    x = 60,514.49

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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.