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Finding the Fourth Proportional to 252,670.44, 348,645.49 and 145,219.73

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Solution

The fourth proportional to 252,670.44, 348,645.49 and 145,219.73 is: 200,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,670.44 : 348,645.49 = 145,219.73 : x
  2. Step 2: Convert to fraction form
    252,670.44/348,645.49 = 145,219.73/x
  3. Step 3: Cross multiply
    252,670.44x = 348,645.49 × 145,219.73
  4. Step 4: Simplify right side
    252,670.44x = 50,630,203,923.52
  5. Step 5: Solve for x
    x = 50,630,203,923.52/252,670.44
  6. Step 6: Final answer
    x = 200,380.40

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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.