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Finding the Fourth Proportional to 234,874.99, 324,123.22 and 142,960.97

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Solution

The fourth proportional to 234,874.99, 324,123.22 and 142,960.97 is: 197,283.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,874.99 : 324,123.22 = 142,960.97 : x
  2. Step 2: Convert to fraction form
    234,874.99/324,123.22 = 142,960.97/x
  3. Step 3: Cross multiply
    234,874.99x = 324,123.22 × 142,960.97
  4. Step 4: Simplify right side
    234,874.99x = 46,336,969,930.72
  5. Step 5: Solve for x
    x = 46,336,969,930.72/234,874.99
  6. Step 6: Final answer
    x = 197,283.54

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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.