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Finding the Fourth Proportional to 103,769.44, 155,676.90 and 33,655.84

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Solution

The fourth proportional to 103,769.44, 155,676.90 and 33,655.84 is: 50,491.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,769.44 : 155,676.90 = 33,655.84 : x
  2. Step 2: Convert to fraction form
    103,769.44/155,676.90 = 33,655.84/x
  3. Step 3: Cross multiply
    103,769.44x = 155,676.90 × 33,655.84
  4. Step 4: Simplify right side
    103,769.44x = 5,239,436,838.10
  5. Step 5: Solve for x
    x = 5,239,436,838.10/103,769.44
  6. Step 6: Final answer
    x = 50,491.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.