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Finding the Fourth Proportional to 103,269.99, 154,869.90 and 35,786.28

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Solution

The fourth proportional to 103,269.99, 154,869.90 and 35,786.28 is: 53,667.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,269.99 : 154,869.90 = 35,786.28 : x
  2. Step 2: Convert to fraction form
    103,269.99/154,869.90 = 35,786.28/x
  3. Step 3: Cross multiply
    103,269.99x = 154,869.90 × 35,786.28
  4. Step 4: Simplify right side
    103,269.99x = 5,542,217,604.97
  5. Step 5: Solve for x
    x = 5,542,217,604.97/103,269.99
  6. Step 6: Final answer
    x = 53,667.26

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Why These Related Problems?

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