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Finding the Fourth Proportional to 248,252.89, 372,083.42 and 172,965.37

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Solution

The fourth proportional to 248,252.89, 372,083.42 and 172,965.37 is: 259,241.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,252.89 : 372,083.42 = 172,965.37 : x
  2. Step 2: Convert to fraction form
    248,252.89/372,083.42 = 172,965.37/x
  3. Step 3: Cross multiply
    248,252.89x = 372,083.42 × 172,965.37
  4. Step 4: Simplify right side
    248,252.89x = 64,357,545,546.34
  5. Step 5: Solve for x
    x = 64,357,545,546.34/248,252.89
  6. Step 6: Final answer
    x = 259,241.88

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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.