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Finding the Fourth Proportional to 67,052.71, 100,485.53 and 50,393.24

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Solution

The fourth proportional to 67,052.71, 100,485.53 and 50,393.24 is: 75,519.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,052.71 : 100,485.53 = 50,393.24 : x
  2. Step 2: Convert to fraction form
    67,052.71/100,485.53 = 50,393.24/x
  3. Step 3: Cross multiply
    67,052.71x = 100,485.53 × 50,393.24
  4. Step 4: Simplify right side
    67,052.71x = 5,063,791,241.22
  5. Step 5: Solve for x
    x = 5,063,791,241.22/67,052.71
  6. Step 6: Final answer
    x = 75,519.56

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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.