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Finding the Fourth Proportional to 248,514.77, 372,744.38 and 68,613.71

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Solution

The fourth proportional to 248,514.77, 372,744.38 and 68,613.71 is: 102,912.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,514.77 : 372,744.38 = 68,613.71 : x
  2. Step 2: Convert to fraction form
    248,514.77/372,744.38 = 68,613.71/x
  3. Step 3: Cross multiply
    248,514.77x = 372,744.38 × 68,613.71
  4. Step 4: Simplify right side
    248,514.77x = 25,575,372,586.66
  5. Step 5: Solve for x
    x = 25,575,372,586.66/248,514.77
  6. Step 6: Final answer
    x = 102,912.89

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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.