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Finding the Fourth Proportional to 100,213.56, 150,315.08 and 33,655.04

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Solution

The fourth proportional to 100,213.56, 150,315.08 and 33,655.04 is: 50,480.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,213.56 : 150,315.08 = 33,655.04 : x
  2. Step 2: Convert to fraction form
    100,213.56/150,315.08 = 33,655.04/x
  3. Step 3: Cross multiply
    100,213.56x = 150,315.08 × 33,655.04
  4. Step 4: Simplify right side
    100,213.56x = 5,058,860,030.00
  5. Step 5: Solve for x
    x = 5,058,860,030.00/100,213.56
  6. Step 6: Final answer
    x = 50,480.79

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