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Finding the Fourth Proportional to 367,993.42, 551,990.14 and 98,122.48

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Solution

The fourth proportional to 367,993.42, 551,990.14 and 98,122.48 is: 147,183.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,993.42 : 551,990.14 = 98,122.48 : x
  2. Step 2: Convert to fraction form
    367,993.42/551,990.14 = 98,122.48/x
  3. Step 3: Cross multiply
    367,993.42x = 551,990.14 × 98,122.48
  4. Step 4: Simplify right side
    367,993.42x = 54,162,639,847.07
  5. Step 5: Solve for x
    x = 54,162,639,847.07/367,993.42
  6. Step 6: Final answer
    x = 147,183.72

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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.