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Finding the Fourth Proportional to 111,229.55, 166,865.80 and 36,329.56

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Solution

The fourth proportional to 111,229.55, 166,865.80 and 36,329.56 is: 54,501.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,229.55 : 166,865.80 = 36,329.56 : x
  2. Step 2: Convert to fraction form
    111,229.55/166,865.80 = 36,329.56/x
  3. Step 3: Cross multiply
    111,229.55x = 166,865.80 × 36,329.56
  4. Step 4: Simplify right side
    111,229.55x = 6,062,161,489.62
  5. Step 5: Solve for x
    x = 6,062,161,489.62/111,229.55
  6. Step 6: Final answer
    x = 54,501.36

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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.