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Finding the Fourth Proportional to 269,769.96, 372,257.91 and 172,801.96

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Solution

The fourth proportional to 269,769.96, 372,257.91 and 172,801.96 is: 238,450.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,769.96 : 372,257.91 = 172,801.96 : x
  2. Step 2: Convert to fraction form
    269,769.96/372,257.91 = 172,801.96/x
  3. Step 3: Cross multiply
    269,769.96x = 372,257.91 × 172,801.96
  4. Step 4: Simplify right side
    269,769.96x = 64,326,895,542.86
  5. Step 5: Solve for x
    x = 64,326,895,542.86/269,769.96
  6. Step 6: Final answer
    x = 238,450.92

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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.