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Finding the Fourth Proportional to 223,833.68, 308,889.48 and 123,231.60

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Solution

The fourth proportional to 223,833.68, 308,889.48 and 123,231.60 is: 170,059.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,833.68 : 308,889.48 = 123,231.60 : x
  2. Step 2: Convert to fraction form
    223,833.68/308,889.48 = 123,231.60/x
  3. Step 3: Cross multiply
    223,833.68x = 308,889.48 × 123,231.60
  4. Step 4: Simplify right side
    223,833.68x = 38,064,944,843.57
  5. Step 5: Solve for x
    x = 38,064,944,843.57/223,833.68
  6. Step 6: Final answer
    x = 170,059.06

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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.