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Finding the Fourth Proportional to 272,025.80, 408,096.30 and 82,470.60

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Solution

The fourth proportional to 272,025.80, 408,096.30 and 82,470.60 is: 123,723.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,025.80 : 408,096.30 = 82,470.60 : x
  2. Step 2: Convert to fraction form
    272,025.80/408,096.30 = 82,470.60/x
  3. Step 3: Cross multiply
    272,025.80x = 408,096.30 × 82,470.60
  4. Step 4: Simplify right side
    272,025.80x = 33,655,946,718.78
  5. Step 5: Solve for x
    x = 33,655,946,718.78/272,025.80
  6. Step 6: Final answer
    x = 123,723.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.