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Finding the Fourth Proportional to 103,866.28, 155,821.74 and 33,744.04

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Solution

The fourth proportional to 103,866.28, 155,821.74 and 33,744.04 is: 50,623.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,866.28 : 155,821.74 = 33,744.04 : x
  2. Step 2: Convert to fraction form
    103,866.28/155,821.74 = 33,744.04/x
  3. Step 3: Cross multiply
    103,866.28x = 155,821.74 × 33,744.04
  4. Step 4: Simplify right side
    103,866.28x = 5,258,055,027.43
  5. Step 5: Solve for x
    x = 5,258,055,027.43/103,866.28
  6. Step 6: Final answer
    x = 50,623.31

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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.