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Finding the Fourth Proportional to 223,732.66, 308,758.07 and 126,940.59

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Solution

The fourth proportional to 223,732.66, 308,758.07 and 126,940.59 is: 175,181.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,732.66 : 308,758.07 = 126,940.59 : x
  2. Step 2: Convert to fraction form
    223,732.66/308,758.07 = 126,940.59/x
  3. Step 3: Cross multiply
    223,732.66x = 308,758.07 × 126,940.59
  4. Step 4: Simplify right side
    223,732.66x = 39,193,930,938.36
  5. Step 5: Solve for x
    x = 39,193,930,938.36/223,732.66
  6. Step 6: Final answer
    x = 175,181.99

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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.