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Finding the Fourth Proportional to 238,751.26, 329,476.89 and 131,329.46

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Solution

The fourth proportional to 238,751.26, 329,476.89 and 131,329.46 is: 181,234.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,751.26 : 329,476.89 = 131,329.46 : x
  2. Step 2: Convert to fraction form
    238,751.26/329,476.89 = 131,329.46/x
  3. Step 3: Cross multiply
    238,751.26x = 329,476.89 × 131,329.46
  4. Step 4: Simplify right side
    238,751.26x = 43,270,022,046.18
  5. Step 5: Solve for x
    x = 43,270,022,046.18/238,751.26
  6. Step 6: Final answer
    x = 181,234.74

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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.