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Finding the Fourth Proportional to 111,467.80, 167,007.30 and 93,971.80

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Solution

The fourth proportional to 111,467.80, 167,007.30 and 93,971.80 is: 140,793.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,467.80 : 167,007.30 = 93,971.80 : x
  2. Step 2: Convert to fraction form
    111,467.80/167,007.30 = 93,971.80/x
  3. Step 3: Cross multiply
    111,467.80x = 167,007.30 × 93,971.80
  4. Step 4: Simplify right side
    111,467.80x = 15,693,976,594.14
  5. Step 5: Solve for x
    x = 15,693,976,594.14/111,467.80
  6. Step 6: Final answer
    x = 140,793.81

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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.