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Finding the Fourth Proportional to 298,992.68, 448,672.13 and 119,164.37

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Solution

The fourth proportional to 298,992.68, 448,672.13 and 119,164.37 is: 178,819.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,992.68 : 448,672.13 = 119,164.37 : x
  2. Step 2: Convert to fraction form
    298,992.68/448,672.13 = 119,164.37/x
  3. Step 3: Cross multiply
    298,992.68x = 448,672.13 × 119,164.37
  4. Step 4: Simplify right side
    298,992.68x = 53,465,731,708.01
  5. Step 5: Solve for x
    x = 53,465,731,708.01/298,992.68
  6. Step 6: Final answer
    x = 178,819.54

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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.