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Finding the Fourth Proportional to 111,915.75, 167,873.67 and 37,015.80

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Solution

The fourth proportional to 111,915.75, 167,873.67 and 37,015.80 is: 55,523.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,915.75 : 167,873.67 = 37,015.80 : x
  2. Step 2: Convert to fraction form
    111,915.75/167,873.67 = 37,015.80/x
  3. Step 3: Cross multiply
    111,915.75x = 167,873.67 × 37,015.80
  4. Step 4: Simplify right side
    111,915.75x = 6,213,978,193.99
  5. Step 5: Solve for x
    x = 6,213,978,193.99/111,915.75
  6. Step 6: Final answer
    x = 55,523.71

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1.5x scale

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.