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Finding the Fourth Proportional to 173,272.20, 259,908.30 and 154,245.30

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Solution

The fourth proportional to 173,272.20, 259,908.30 and 154,245.30 is: 231,367.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,272.20 : 259,908.30 = 154,245.30 : x
  2. Step 2: Convert to fraction form
    173,272.20/259,908.30 = 154,245.30/x
  3. Step 3: Cross multiply
    173,272.20x = 259,908.30 × 154,245.30
  4. Step 4: Simplify right side
    173,272.20x = 40,089,633,705.99
  5. Step 5: Solve for x
    x = 40,089,633,705.99/173,272.20
  6. Step 6: Final answer
    x = 231,367.95

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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.