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Finding the Fourth Proportional to 269,751.96, 372,231.12 and 148,885.42

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Solution

The fourth proportional to 269,751.96, 372,231.12 and 148,885.42 is: 205,447.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,751.96 : 372,231.12 = 148,885.42 : x
  2. Step 2: Convert to fraction form
    269,751.96/372,231.12 = 148,885.42/x
  3. Step 3: Cross multiply
    269,751.96x = 372,231.12 × 148,885.42
  4. Step 4: Simplify right side
    269,751.96x = 55,419,786,638.27
  5. Step 5: Solve for x
    x = 55,419,786,638.27/269,751.96
  6. Step 6: Final answer
    x = 205,447.21

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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.