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Finding the Fourth Proportional to 70,542.67, 105,832.23 and 26,182.08

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Solution

The fourth proportional to 70,542.67, 105,832.23 and 26,182.08 is: 39,279.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,542.67 : 105,832.23 = 26,182.08 : x
  2. Step 2: Convert to fraction form
    70,542.67/105,832.23 = 26,182.08/x
  3. Step 3: Cross multiply
    70,542.67x = 105,832.23 × 26,182.08
  4. Step 4: Simplify right side
    70,542.67x = 2,770,907,912.44
  5. Step 5: Solve for x
    x = 2,770,907,912.44/70,542.67
  6. Step 6: Final answer
    x = 39,279.88

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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.