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Finding the Fourth Proportional to 100,390.37, 150,577.36 and 33,829.03

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Solution

The fourth proportional to 100,390.37, 150,577.36 and 33,829.03 is: 50,740.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,390.37 : 150,577.36 = 33,829.03 : x
  2. Step 2: Convert to fraction form
    100,390.37/150,577.36 = 33,829.03/x
  3. Step 3: Cross multiply
    100,390.37x = 150,577.36 × 33,829.03
  4. Step 4: Simplify right side
    100,390.37x = 5,093,885,567.74
  5. Step 5: Solve for x
    x = 5,093,885,567.74/100,390.37
  6. Step 6: Final answer
    x = 50,740.78

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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.