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Finding the Fourth Proportional to 198,314.74, 273,672.83 and 107,668.92

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Solution

The fourth proportional to 198,314.74, 273,672.83 and 107,668.92 is: 148,582.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,314.74 : 273,672.83 = 107,668.92 : x
  2. Step 2: Convert to fraction form
    198,314.74/273,672.83 = 107,668.92/x
  3. Step 3: Cross multiply
    198,314.74x = 273,672.83 × 107,668.92
  4. Step 4: Simplify right side
    198,314.74x = 29,466,058,039.44
  5. Step 5: Solve for x
    x = 29,466,058,039.44/198,314.74
  6. Step 6: Final answer
    x = 148,582.29

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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.