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Finding the Fourth Proportional to 248,609.75, 372,914.64 and 82,397.75

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Solution

The fourth proportional to 248,609.75, 372,914.64 and 82,397.75 is: 123,596.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,609.75 : 372,914.64 = 82,397.75 : x
  2. Step 2: Convert to fraction form
    248,609.75/372,914.64 = 82,397.75/x
  3. Step 3: Cross multiply
    248,609.75x = 372,914.64 × 82,397.75
  4. Step 4: Simplify right side
    248,609.75x = 30,727,327,278.06
  5. Step 5: Solve for x
    x = 30,727,327,278.06/248,609.75
  6. Step 6: Final answer
    x = 123,596.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.