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Finding the Fourth Proportional to 223,481.48, 308,404.44 and 122,879.48

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Solution

The fourth proportional to 223,481.48, 308,404.44 and 122,879.48 is: 169,573.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,481.48 : 308,404.44 = 122,879.48 : x
  2. Step 2: Convert to fraction form
    223,481.48/308,404.44 = 122,879.48/x
  3. Step 3: Cross multiply
    223,481.48x = 308,404.44 × 122,879.48
  4. Step 4: Simplify right side
    223,481.48x = 37,896,577,216.89
  5. Step 5: Solve for x
    x = 37,896,577,216.89/223,481.48
  6. Step 6: Final answer
    x = 169,573.68

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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.