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Finding the Fourth Proportional to 111,260.67, 166,889.28 and 27,021.48

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Solution

The fourth proportional to 111,260.67, 166,889.28 and 27,021.48 is: 40,531.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,260.67 : 166,889.28 = 27,021.48 : x
  2. Step 2: Convert to fraction form
    111,260.67/166,889.28 = 27,021.48/x
  3. Step 3: Cross multiply
    111,260.67x = 166,889.28 × 27,021.48
  4. Step 4: Simplify right side
    111,260.67x = 4,509,595,341.73
  5. Step 5: Solve for x
    x = 4,509,595,341.73/111,260.67
  6. Step 6: Final answer
    x = 40,531.80

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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.