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Finding the Fourth Proportional to 111,759.72, 167,645.36 and 36,885.70

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Solution

The fourth proportional to 111,759.72, 167,645.36 and 36,885.70 is: 55,330.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,759.72 : 167,645.36 = 36,885.70 : x
  2. Step 2: Convert to fraction form
    111,759.72/167,645.36 = 36,885.70/x
  3. Step 3: Cross multiply
    111,759.72x = 167,645.36 × 36,885.70
  4. Step 4: Simplify right side
    111,759.72x = 6,183,715,814.12
  5. Step 5: Solve for x
    x = 6,183,715,814.12/111,759.72
  6. Step 6: Final answer
    x = 55,330.45

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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.