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Finding the Fourth Proportional to 235,279.36, 324,687.56 and 127,849.36

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Solution

The fourth proportional to 235,279.36, 324,687.56 and 127,849.36 is: 176,433.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,279.36 : 324,687.56 = 127,849.36 : x
  2. Step 2: Convert to fraction form
    235,279.36/324,687.56 = 127,849.36/x
  3. Step 3: Cross multiply
    235,279.36x = 324,687.56 × 127,849.36
  4. Step 4: Simplify right side
    235,279.36x = 41,511,097,895.70
  5. Step 5: Solve for x
    x = 41,511,097,895.70/235,279.36
  6. Step 6: Final answer
    x = 176,433.23

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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.