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Finding the Fourth Proportional to 111,583.41, 167,375.13 and 28,477.41

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Solution

The fourth proportional to 111,583.41, 167,375.13 and 28,477.41 is: 42,716.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,583.41 : 167,375.13 = 28,477.41 : x
  2. Step 2: Convert to fraction form
    111,583.41/167,375.13 = 28,477.41/x
  3. Step 3: Cross multiply
    111,583.41x = 167,375.13 × 28,477.41
  4. Step 4: Simplify right side
    111,583.41x = 4,766,409,466.37
  5. Step 5: Solve for x
    x = 4,766,409,466.37/111,583.41
  6. Step 6: Final answer
    x = 42,716.11

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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.