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Finding the Fourth Proportional to 111,261.76, 166,891.12 and 27,022.56

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Solution

The fourth proportional to 111,261.76, 166,891.12 and 27,022.56 is: 40,533.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,261.76 : 166,891.12 = 27,022.56 : x
  2. Step 2: Convert to fraction form
    111,261.76/166,891.12 = 27,022.56/x
  3. Step 3: Cross multiply
    111,261.76x = 166,891.12 × 27,022.56
  4. Step 4: Simplify right side
    111,261.76x = 4,509,825,303.67
  5. Step 5: Solve for x
    x = 4,509,825,303.67/111,261.76
  6. Step 6: Final answer
    x = 40,533.47

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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.