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Finding the Fourth Proportional to 237,481.94, 327,722.62 and 128,584.41

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Solution

The fourth proportional to 237,481.94, 327,722.62 and 128,584.41 is: 177,445.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,481.94 : 327,722.62 = 128,584.41 : x
  2. Step 2: Convert to fraction form
    237,481.94/327,722.62 = 128,584.41/x
  3. Step 3: Cross multiply
    237,481.94x = 327,722.62 × 128,584.41
  4. Step 4: Simplify right side
    237,481.94x = 42,140,019,736.35
  5. Step 5: Solve for x
    x = 42,140,019,736.35/237,481.94
  6. Step 6: Final answer
    x = 177,445.16

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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.