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Finding the Fourth Proportional to 113,794.80, 170,832.60 and 71,674.80

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Solution

The fourth proportional to 113,794.80, 170,832.60 and 71,674.80 is: 107,600.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,794.80 : 170,832.60 = 71,674.80 : x
  2. Step 2: Convert to fraction form
    113,794.80/170,832.60 = 71,674.80/x
  3. Step 3: Cross multiply
    113,794.80x = 170,832.60 × 71,674.80
  4. Step 4: Simplify right side
    113,794.80x = 12,244,392,438.48
  5. Step 5: Solve for x
    x = 12,244,392,438.48/113,794.80
  6. Step 6: Final answer
    x = 107,600.63

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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.