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Finding the Fourth Proportional to 111,207.95, 166,836.43 and 32,328.33

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Solution

The fourth proportional to 111,207.95, 166,836.43 and 32,328.33 is: 48,499.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,207.95 : 166,836.43 = 32,328.33 : x
  2. Step 2: Convert to fraction form
    111,207.95/166,836.43 = 32,328.33/x
  3. Step 3: Cross multiply
    111,207.95x = 166,836.43 × 32,328.33
  4. Step 4: Simplify right side
    111,207.95x = 5,393,542,579.84
  5. Step 5: Solve for x
    x = 5,393,542,579.84/111,207.95
  6. Step 6: Final answer
    x = 48,499.61

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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.