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Finding the Fourth Proportional to 234,375.22, 323,418.31 and 137,568.61

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Solution

The fourth proportional to 234,375.22, 323,418.31 and 137,568.61 is: 189,833.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,375.22 : 323,418.31 = 137,568.61 : x
  2. Step 2: Convert to fraction form
    234,375.22/323,418.31 = 137,568.61/x
  3. Step 3: Cross multiply
    234,375.22x = 323,418.31 × 137,568.61
  4. Step 4: Simplify right side
    234,375.22x = 44,492,207,355.25
  5. Step 5: Solve for x
    x = 44,492,207,355.25/234,375.22
  6. Step 6: Final answer
    x = 189,833.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.