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Finding the Fourth Proportional to 162,704.20, 244,202.10 and 140,542.60

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Solution

The fourth proportional to 162,704.20, 244,202.10 and 140,542.60 is: 210,939.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,704.20 : 244,202.10 = 140,542.60 : x
  2. Step 2: Convert to fraction form
    162,704.20/244,202.10 = 140,542.60/x
  3. Step 3: Cross multiply
    162,704.20x = 244,202.10 × 140,542.60
  4. Step 4: Simplify right side
    162,704.20x = 34,320,798,059.46
  5. Step 5: Solve for x
    x = 34,320,798,059.46/162,704.20
  6. Step 6: Final answer
    x = 210,939.84

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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.