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Finding the Fourth Proportional to 222,672.88, 333,659 and 172,195.12

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Solution

The fourth proportional to 222,672.88, 333,659 and 172,195.12 is: 258,021.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,672.88 : 333,659 = 172,195.12 : x
  2. Step 2: Convert to fraction form
    222,672.88/333,659 = 172,195.12/x
  3. Step 3: Cross multiply
    222,672.88x = 333,659 × 172,195.12
  4. Step 4: Simplify right side
    222,672.88x = 57,454,451,544.08
  5. Step 5: Solve for x
    x = 57,454,451,544.08/222,672.88
  6. Step 6: Final answer
    x = 258,021.77

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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.