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Finding the Fourth Proportional to 111,231.30, 166,865.13 and 36,329.70

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Solution

The fourth proportional to 111,231.30, 166,865.13 and 36,329.70 is: 54,500.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,231.30 : 166,865.13 = 36,329.70 : x
  2. Step 2: Convert to fraction form
    111,231.30/166,865.13 = 36,329.70/x
  3. Step 3: Cross multiply
    111,231.30x = 166,865.13 × 36,329.70
  4. Step 4: Simplify right side
    111,231.30x = 6,062,160,113.36
  5. Step 5: Solve for x
    x = 6,062,160,113.36/111,231.30
  6. Step 6: Final answer
    x = 54,500.49

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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.