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Finding the Fourth Proportional to 71,076.44, 98,086.23 and 39,245.27

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Solution

The fourth proportional to 71,076.44, 98,086.23 and 39,245.27 is: 54,158.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,076.44 : 98,086.23 = 39,245.27 : x
  2. Step 2: Convert to fraction form
    71,076.44/98,086.23 = 39,245.27/x
  3. Step 3: Cross multiply
    71,076.44x = 98,086.23 × 39,245.27
  4. Step 4: Simplify right side
    71,076.44x = 3,849,420,089.20
  5. Step 5: Solve for x
    x = 3,849,420,089.20/71,076.44
  6. Step 6: Final answer
    x = 54,158.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.