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Finding the Fourth Proportional to 203,905.44, 305,858.16 and 63,675

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Solution

The fourth proportional to 203,905.44, 305,858.16 and 63,675 is: 95,512.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,905.44 : 305,858.16 = 63,675 : x
  2. Step 2: Convert to fraction form
    203,905.44/305,858.16 = 63,675/x
  3. Step 3: Cross multiply
    203,905.44x = 305,858.16 × 63,675
  4. Step 4: Simplify right side
    203,905.44x = 19,475,518,338
  5. Step 5: Solve for x
    x = 19,475,518,338/203,905.44
  6. Step 6: Final answer
    x = 95,512.50

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Similar ratio
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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.