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Finding the Fourth Proportional to 301,183.68, 451,818.18 and 90,837.48

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Solution

The fourth proportional to 301,183.68, 451,818.18 and 90,837.48 is: 136,269.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,183.68 : 451,818.18 = 90,837.48 : x
  2. Step 2: Convert to fraction form
    301,183.68/451,818.18 = 90,837.48/x
  3. Step 3: Cross multiply
    301,183.68x = 451,818.18 × 90,837.48
  4. Step 4: Simplify right side
    301,183.68x = 41,042,024,889.39
  5. Step 5: Solve for x
    x = 41,042,024,889.39/301,183.68
  6. Step 6: Final answer
    x = 136,269.09

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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.