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Finding the Fourth Proportional to 236,397, 326,183.25 and 140,912.58

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Solution

The fourth proportional to 236,397, 326,183.25 and 140,912.58 is: 194,432.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,397 : 326,183.25 = 140,912.58 : x
  2. Step 2: Convert to fraction form
    236,397/326,183.25 = 140,912.58/x
  3. Step 3: Cross multiply
    236,397x = 326,183.25 × 140,912.58
  4. Step 4: Simplify right side
    236,397x = 45,963,323,310.29
  5. Step 5: Solve for x
    x = 45,963,323,310.29/236,397
  6. Step 6: Final answer
    x = 194,432.77

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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.