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Finding the Fourth Proportional to 281,950.32, 422,884.32 and 82,217.04

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Solution

The fourth proportional to 281,950.32, 422,884.32 and 82,217.04 is: 123,313.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,950.32 : 422,884.32 = 82,217.04 : x
  2. Step 2: Convert to fraction form
    281,950.32/422,884.32 = 82,217.04/x
  3. Step 3: Cross multiply
    281,950.32x = 422,884.32 × 82,217.04
  4. Step 4: Simplify right side
    281,950.32x = 34,768,297,052.81
  5. Step 5: Solve for x
    x = 34,768,297,052.81/281,950.32
  6. Step 6: Final answer
    x = 123,313.56

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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.