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Finding the Fourth Proportional to 248,304, 372,514.32 and 82,092

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Solution

The fourth proportional to 248,304, 372,514.32 and 82,092 is: 123,157.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,304 : 372,514.32 = 82,092 : x
  2. Step 2: Convert to fraction form
    248,304/372,514.32 = 82,092/x
  3. Step 3: Cross multiply
    248,304x = 372,514.32 × 82,092
  4. Step 4: Simplify right side
    248,304x = 30,580,445,557.44
  5. Step 5: Solve for x
    x = 30,580,445,557.44/248,304
  6. Step 6: Final answer
    x = 123,157.28

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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.