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Finding the Fourth Proportional to 111,295.16, 166,940.31 and 27,055.77

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Solution

The fourth proportional to 111,295.16, 166,940.31 and 27,055.77 is: 40,583.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,295.16 : 166,940.31 = 27,055.77 : x
  2. Step 2: Convert to fraction form
    111,295.16/166,940.31 = 27,055.77/x
  3. Step 3: Cross multiply
    111,295.16x = 166,940.31 × 27,055.77
  4. Step 4: Simplify right side
    111,295.16x = 4,516,698,732.55
  5. Step 5: Solve for x
    x = 4,516,698,732.55/111,295.16
  6. Step 6: Final answer
    x = 40,583.06

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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.