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Finding the Fourth Proportional to 103,896.64, 155,809.60 and 33,758.56

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Solution

The fourth proportional to 103,896.64, 155,809.60 and 33,758.56 is: 50,626.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,896.64 : 155,809.60 = 33,758.56 : x
  2. Step 2: Convert to fraction form
    103,896.64/155,809.60 = 33,758.56/x
  3. Step 3: Cross multiply
    103,896.64x = 155,809.60 × 33,758.56
  4. Step 4: Simplify right side
    103,896.64x = 5,259,907,730.18
  5. Step 5: Solve for x
    x = 5,259,907,730.18/103,896.64
  6. Step 6: Final answer
    x = 50,626.35

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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.