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Finding the Fourth Proportional to 67,239.01, 100,858.20 and 32,072.05

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Solution

The fourth proportional to 67,239.01, 100,858.20 and 32,072.05 is: 48,107.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,239.01 : 100,858.20 = 32,072.05 : x
  2. Step 2: Convert to fraction form
    67,239.01/100,858.20 = 32,072.05/x
  3. Step 3: Cross multiply
    67,239.01x = 100,858.20 × 32,072.05
  4. Step 4: Simplify right side
    67,239.01x = 3,234,729,233.31
  5. Step 5: Solve for x
    x = 3,234,729,233.31/67,239.01
  6. Step 6: Final answer
    x = 48,107.92

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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.