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Finding the Fourth Proportional to 103,696.92, 155,570.06 and 33,576.20

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Solution

The fourth proportional to 103,696.92, 155,570.06 and 33,576.20 is: 50,372.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,696.92 : 155,570.06 = 33,576.20 : x
  2. Step 2: Convert to fraction form
    103,696.92/155,570.06 = 33,576.20/x
  3. Step 3: Cross multiply
    103,696.92x = 155,570.06 × 33,576.20
  4. Step 4: Simplify right side
    103,696.92x = 5,223,451,448.57
  5. Step 5: Solve for x
    x = 5,223,451,448.57/103,696.92
  6. Step 6: Final answer
    x = 50,372.29

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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.