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Finding the Fourth Proportional to 281,735.55, 422,536.37 and 113,256.36

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Solution

The fourth proportional to 281,735.55, 422,536.37 and 113,256.36 is: 169,857.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,735.55 : 422,536.37 = 113,256.36 : x
  2. Step 2: Convert to fraction form
    281,735.55/422,536.37 = 113,256.36/x
  3. Step 3: Cross multiply
    281,735.55x = 422,536.37 × 113,256.36
  4. Step 4: Simplify right side
    281,735.55x = 47,854,930,667.53
  5. Step 5: Solve for x
    x = 47,854,930,667.53/281,735.55
  6. Step 6: Final answer
    x = 169,857.62

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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.