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Finding the Fourth Proportional to 71,847.33, 107,771.19 and 25,100.20

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Solution

The fourth proportional to 71,847.33, 107,771.19 and 25,100.20 is: 37,650.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,847.33 : 107,771.19 = 25,100.20 : x
  2. Step 2: Convert to fraction form
    71,847.33/107,771.19 = 25,100.20/x
  3. Step 3: Cross multiply
    71,847.33x = 107,771.19 × 25,100.20
  4. Step 4: Simplify right side
    71,847.33x = 2,705,078,423.24
  5. Step 5: Solve for x
    x = 2,705,078,423.24/71,847.33
  6. Step 6: Final answer
    x = 37,650.37

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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.