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Finding the Fourth Proportional to 111,044.20, 166,590.60 and 44,467.60

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Solution

The fourth proportional to 111,044.20, 166,590.60 and 44,467.60 is: 66,711.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,044.20 : 166,590.60 = 44,467.60 : x
  2. Step 2: Convert to fraction form
    111,044.20/166,590.60 = 44,467.60/x
  3. Step 3: Cross multiply
    111,044.20x = 166,590.60 × 44,467.60
  4. Step 4: Simplify right side
    111,044.20x = 7,407,884,164.56
  5. Step 5: Solve for x
    x = 7,407,884,164.56/111,044.20
  6. Step 6: Final answer
    x = 66,711.13

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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.