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Finding the Fourth Proportional to 111,187.98, 166,797.90 and 36,289.62

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Solution

The fourth proportional to 111,187.98, 166,797.90 and 36,289.62 is: 54,439.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,187.98 : 166,797.90 = 36,289.62 : x
  2. Step 2: Convert to fraction form
    111,187.98/166,797.90 = 36,289.62/x
  3. Step 3: Cross multiply
    111,187.98x = 166,797.90 × 36,289.62
  4. Step 4: Simplify right side
    111,187.98x = 6,053,032,407.80
  5. Step 5: Solve for x
    x = 6,053,032,407.80/111,187.98
  6. Step 6: Final answer
    x = 54,439.63

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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.