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Finding the Fourth Proportional to 192,873.60, 289,310.40 and 173,239.20

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Solution

The fourth proportional to 192,873.60, 289,310.40 and 173,239.20 is: 259,858.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,873.60 : 289,310.40 = 173,239.20 : x
  2. Step 2: Convert to fraction form
    192,873.60/289,310.40 = 173,239.20/x
  3. Step 3: Cross multiply
    192,873.60x = 289,310.40 × 173,239.20
  4. Step 4: Simplify right side
    192,873.60x = 50,119,902,247.68
  5. Step 5: Solve for x
    x = 50,119,902,247.68/192,873.60
  6. Step 6: Final answer
    x = 259,858.80

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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.