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Finding the Fourth Proportional to 67,096.67, 100,642.70 and 17,177.21

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Solution

The fourth proportional to 67,096.67, 100,642.70 and 17,177.21 is: 25,765.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,096.67 : 100,642.70 = 17,177.21 : x
  2. Step 2: Convert to fraction form
    67,096.67/100,642.70 = 17,177.21/x
  3. Step 3: Cross multiply
    67,096.67x = 100,642.70 × 17,177.21
  4. Step 4: Simplify right side
    67,096.67x = 1,728,760,203.77
  5. Step 5: Solve for x
    x = 1,728,760,203.77/67,096.67
  6. Step 6: Final answer
    x = 25,765.22

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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.