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Finding the Fourth Proportional to 144,651.46, 217,008.18 and 73,583.98

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Solution

The fourth proportional to 144,651.46, 217,008.18 and 73,583.98 is: 110,391.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,651.46 : 217,008.18 = 73,583.98 : x
  2. Step 2: Convert to fraction form
    144,651.46/217,008.18 = 73,583.98/x
  3. Step 3: Cross multiply
    144,651.46x = 217,008.18 × 73,583.98
  4. Step 4: Simplify right side
    144,651.46x = 15,968,325,576.96
  5. Step 5: Solve for x
    x = 15,968,325,576.96/144,651.46
  6. Step 6: Final answer
    x = 110,391.73

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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.