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Finding the Fourth Proportional to 252,062.65, 347,870.97 and 188,289.73

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Solution

The fourth proportional to 252,062.65, 347,870.97 and 188,289.73 is: 259,858.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,062.65 : 347,870.97 = 188,289.73 : x
  2. Step 2: Convert to fraction form
    252,062.65/347,870.97 = 188,289.73/x
  3. Step 3: Cross multiply
    252,062.65x = 347,870.97 × 188,289.73
  4. Step 4: Simplify right side
    252,062.65x = 65,500,531,016.14
  5. Step 5: Solve for x
    x = 65,500,531,016.14/252,062.65
  6. Step 6: Final answer
    x = 259,858.14

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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.