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Finding the Fourth Proportional to 111,583.44, 167,375.02 and 28,477.44

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Solution

The fourth proportional to 111,583.44, 167,375.02 and 28,477.44 is: 42,716.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,583.44 : 167,375.02 = 28,477.44 : x
  2. Step 2: Convert to fraction form
    111,583.44/167,375.02 = 28,477.44/x
  3. Step 3: Cross multiply
    111,583.44x = 167,375.02 × 28,477.44
  4. Step 4: Simplify right side
    111,583.44x = 4,766,412,089.55
  5. Step 5: Solve for x
    x = 4,766,412,089.55/111,583.44
  6. Step 6: Final answer
    x = 42,716.12

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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.