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Finding the Fourth Proportional to 366,912.81, 550,310.18 and 100,611.54

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Solution

The fourth proportional to 366,912.81, 550,310.18 and 100,611.54 is: 150,901.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,912.81 : 550,310.18 = 100,611.54 : x
  2. Step 2: Convert to fraction form
    366,912.81/550,310.18 = 100,611.54/x
  3. Step 3: Cross multiply
    366,912.81x = 550,310.18 × 100,611.54
  4. Step 4: Simplify right side
    366,912.81x = 55,367,554,184.42
  5. Step 5: Solve for x
    x = 55,367,554,184.42/366,912.81
  6. Step 6: Final answer
    x = 150,901.12

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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.