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Finding the Fourth Proportional to 256,579.25, 384,832.18 and 88,096.42

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Solution

The fourth proportional to 256,579.25, 384,832.18 and 88,096.42 is: 132,132.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,579.25 : 384,832.18 = 88,096.42 : x
  2. Step 2: Convert to fraction form
    256,579.25/384,832.18 = 88,096.42/x
  3. Step 3: Cross multiply
    256,579.25x = 384,832.18 × 88,096.42
  4. Step 4: Simplify right side
    256,579.25x = 33,902,337,358.80
  5. Step 5: Solve for x
    x = 33,902,337,358.80/256,579.25
  6. Step 6: Final answer
    x = 132,132.03

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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.