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Finding the Fourth Proportional to 281,477.56, 422,216.22 and 71,115.44

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Solution

The fourth proportional to 281,477.56, 422,216.22 and 71,115.44 is: 106,673.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,477.56 : 422,216.22 = 71,115.44 : x
  2. Step 2: Convert to fraction form
    281,477.56/422,216.22 = 71,115.44/x
  3. Step 3: Cross multiply
    281,477.56x = 422,216.22 × 71,115.44
  4. Step 4: Simplify right side
    281,477.56x = 30,026,092,260.44
  5. Step 5: Solve for x
    x = 30,026,092,260.44/281,477.56
  6. Step 6: Final answer
    x = 106,673.13

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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.