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Finding the Fourth Proportional to 445,732.16, 668,696.68 and 165,249.42

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Solution

The fourth proportional to 445,732.16, 668,696.68 and 165,249.42 is: 247,910.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,732.16 : 668,696.68 = 165,249.42 : x
  2. Step 2: Convert to fraction form
    445,732.16/668,696.68 = 165,249.42/x
  3. Step 3: Cross multiply
    445,732.16x = 668,696.68 × 165,249.42
  4. Step 4: Simplify right side
    445,732.16x = 110,501,738,525.93
  5. Step 5: Solve for x
    x = 110,501,738,525.93/445,732.16
  6. Step 6: Final answer
    x = 247,910.63

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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.