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Finding the Fourth Proportional to 85,297.37, 117,672.31 and 49,466.62

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Solution

The fourth proportional to 85,297.37, 117,672.31 and 49,466.62 is: 68,241.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,297.37 : 117,672.31 = 49,466.62 : x
  2. Step 2: Convert to fraction form
    85,297.37/117,672.31 = 49,466.62/x
  3. Step 3: Cross multiply
    85,297.37x = 117,672.31 × 49,466.62
  4. Step 4: Simplify right side
    85,297.37x = 5,820,851,652.22
  5. Step 5: Solve for x
    x = 5,820,851,652.22/85,297.37
  6. Step 6: Final answer
    x = 68,241.87

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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.