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Finding the Fourth Proportional to 281,645.54, 422,494.27 and 92,106.88

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Solution

The fourth proportional to 281,645.54, 422,494.27 and 92,106.88 is: 138,168.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,645.54 : 422,494.27 = 92,106.88 : x
  2. Step 2: Convert to fraction form
    281,645.54/422,494.27 = 92,106.88/x
  3. Step 3: Cross multiply
    281,645.54x = 422,494.27 × 92,106.88
  4. Step 4: Simplify right side
    281,645.54x = 38,914,629,027.58
  5. Step 5: Solve for x
    x = 38,914,629,027.58/281,645.54
  6. Step 6: Final answer
    x = 138,168.81

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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.