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Finding the Fourth Proportional to 256,608.92, 384,814.98 and 88,097.88

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Solution

The fourth proportional to 256,608.92, 384,814.98 and 88,097.88 is: 132,113.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,608.92 : 384,814.98 = 88,097.88 : x
  2. Step 2: Convert to fraction form
    256,608.92/384,814.98 = 88,097.88/x
  3. Step 3: Cross multiply
    256,608.92x = 384,814.98 × 88,097.88
  4. Step 4: Simplify right side
    256,608.92x = 33,901,383,930.24
  5. Step 5: Solve for x
    x = 33,901,383,930.24/256,608.92
  6. Step 6: Final answer
    x = 132,113.04

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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.