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Finding the Fourth Proportional to 107,611.75, 161,443.56 and 33,739.75

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Solution

The fourth proportional to 107,611.75, 161,443.56 and 33,739.75 is: 50,617.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,611.75 : 161,443.56 = 33,739.75 : x
  2. Step 2: Convert to fraction form
    107,611.75/161,443.56 = 33,739.75/x
  3. Step 3: Cross multiply
    107,611.75x = 161,443.56 × 33,739.75
  4. Step 4: Simplify right side
    107,611.75x = 5,447,065,353.51
  5. Step 5: Solve for x
    x = 5,447,065,353.51/107,611.75
  6. Step 6: Final answer
    x = 50,617.76

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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.