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Finding the Fourth Proportional to 172,731.26, 259,096.89 and 67,476.42

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Solution

The fourth proportional to 172,731.26, 259,096.89 and 67,476.42 is: 101,214.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,731.26 : 259,096.89 = 67,476.42 : x
  2. Step 2: Convert to fraction form
    172,731.26/259,096.89 = 67,476.42/x
  3. Step 3: Cross multiply
    172,731.26x = 259,096.89 × 67,476.42
  4. Step 4: Simplify right side
    172,731.26x = 17,482,930,570.33
  5. Step 5: Solve for x
    x = 17,482,930,570.33/172,731.26
  6. Step 6: Final answer
    x = 101,214.63

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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.