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Finding the Fourth Proportional to 281,792.13, 422,583.03 and 113,255.43

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Solution

The fourth proportional to 281,792.13, 422,583.03 and 113,255.43 is: 169,840.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,792.13 : 422,583.03 = 113,255.43 : x
  2. Step 2: Convert to fraction form
    281,792.13/422,583.03 = 113,255.43/x
  3. Step 3: Cross multiply
    281,792.13x = 422,583.03 × 113,255.43
  4. Step 4: Simplify right side
    281,792.13x = 47,859,822,773.35
  5. Step 5: Solve for x
    x = 47,859,822,773.35/281,792.13
  6. Step 6: Final answer
    x = 169,840.88

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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.