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Finding the Fourth Proportional to 101,039.64, 151,571.16 and 33,577.70

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Solution

The fourth proportional to 101,039.64, 151,571.16 and 33,577.70 is: 50,370.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,039.64 : 151,571.16 = 33,577.70 : x
  2. Step 2: Convert to fraction form
    101,039.64/151,571.16 = 33,577.70/x
  3. Step 3: Cross multiply
    101,039.64x = 151,571.16 × 33,577.70
  4. Step 4: Simplify right side
    101,039.64x = 5,089,410,181.28
  5. Step 5: Solve for x
    x = 5,089,410,181.28/101,039.64
  6. Step 6: Final answer
    x = 50,370.43

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1.5x scale

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.