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Finding the Fourth Proportional to 100,028.56, 150,102.06 and 36,892.84

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Solution

The fourth proportional to 100,028.56, 150,102.06 and 36,892.84 is: 55,361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,028.56 : 150,102.06 = 36,892.84 : x
  2. Step 2: Convert to fraction form
    100,028.56/150,102.06 = 36,892.84/x
  3. Step 3: Cross multiply
    100,028.56x = 150,102.06 × 36,892.84
  4. Step 4: Simplify right side
    100,028.56x = 5,537,691,283.25
  5. Step 5: Solve for x
    x = 5,537,691,283.25/100,028.56
  6. Step 6: Final answer
    x = 55,361.10

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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.