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Finding the Fourth Proportional to 68,236.44, 94,163.46 and 38,020.20

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Solution

The fourth proportional to 68,236.44, 94,163.46 and 38,020.20 is: 52,466.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,236.44 : 94,163.46 = 38,020.20 : x
  2. Step 2: Convert to fraction form
    68,236.44/94,163.46 = 38,020.20/x
  3. Step 3: Cross multiply
    68,236.44x = 94,163.46 × 38,020.20
  4. Step 4: Simplify right side
    68,236.44x = 3,580,113,581.89
  5. Step 5: Solve for x
    x = 3,580,113,581.89/68,236.44
  6. Step 6: Final answer
    x = 52,466.30

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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.