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Finding the Fourth Proportional to 281,424.58, 422,180.07 and 112,944.58

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Solution

The fourth proportional to 281,424.58, 422,180.07 and 112,944.58 is: 169,434.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,424.58 : 422,180.07 = 112,944.58 : x
  2. Step 2: Convert to fraction form
    281,424.58/422,180.07 = 112,944.58/x
  3. Step 3: Cross multiply
    281,424.58x = 422,180.07 × 112,944.58
  4. Step 4: Simplify right side
    281,424.58x = 47,682,950,690.52
  5. Step 5: Solve for x
    x = 47,682,950,690.52/281,424.58
  6. Step 6: Final answer
    x = 169,434.21

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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.