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Finding the Fourth Proportional to 168,481.69, 232,478.30 and 96,848.33

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Solution

The fourth proportional to 168,481.69, 232,478.30 and 96,848.33 is: 133,635.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,481.69 : 232,478.30 = 96,848.33 : x
  2. Step 2: Convert to fraction form
    168,481.69/232,478.30 = 96,848.33/x
  3. Step 3: Cross multiply
    168,481.69x = 232,478.30 × 96,848.33
  4. Step 4: Simplify right side
    168,481.69x = 22,515,134,195.97
  5. Step 5: Solve for x
    x = 22,515,134,195.97/168,481.69
  6. Step 6: Final answer
    x = 133,635.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.