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Finding the Fourth Proportional to 281,553.60, 422,096.80 and 104,027.20

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Solution

The fourth proportional to 281,553.60, 422,096.80 and 104,027.20 is: 155,954.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,553.60 : 422,096.80 = 104,027.20 : x
  2. Step 2: Convert to fraction form
    281,553.60/422,096.80 = 104,027.20/x
  3. Step 3: Cross multiply
    281,553.60x = 422,096.80 × 104,027.20
  4. Step 4: Simplify right side
    281,553.60x = 43,909,548,232.96
  5. Step 5: Solve for x
    x = 43,909,548,232.96/281,553.60
  6. Step 6: Final answer
    x = 155,954.49

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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.