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Finding the Fourth Proportional to 111,259.33, 166,899.25 and 36,379.86

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Solution

The fourth proportional to 111,259.33, 166,899.25 and 36,379.86 is: 54,573.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,259.33 : 166,899.25 = 36,379.86 : x
  2. Step 2: Convert to fraction form
    111,259.33/166,899.25 = 36,379.86/x
  3. Step 3: Cross multiply
    111,259.33x = 166,899.25 × 36,379.86
  4. Step 4: Simplify right side
    111,259.33x = 6,071,770,514.61
  5. Step 5: Solve for x
    x = 6,071,770,514.61/111,259.33
  6. Step 6: Final answer
    x = 54,573.14

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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.