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Finding the Fourth Proportional to 73,199.50, 109,799.25 and 23,279.70

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Solution

The fourth proportional to 73,199.50, 109,799.25 and 23,279.70 is: 34,919.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,199.50 : 109,799.25 = 23,279.70 : x
  2. Step 2: Convert to fraction form
    73,199.50/109,799.25 = 23,279.70/x
  3. Step 3: Cross multiply
    73,199.50x = 109,799.25 × 23,279.70
  4. Step 4: Simplify right side
    73,199.50x = 2,556,093,924.67
  5. Step 5: Solve for x
    x = 2,556,093,924.67/73,199.50
  6. Step 6: Final answer
    x = 34,919.56

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Similar ratio
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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.