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Finding the Fourth Proportional to 326,093.94, 489,161.79 and 112,882.38

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Solution

The fourth proportional to 326,093.94, 489,161.79 and 112,882.38 is: 169,330.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,093.94 : 489,161.79 = 112,882.38 : x
  2. Step 2: Convert to fraction form
    326,093.94/489,161.79 = 112,882.38/x
  3. Step 3: Cross multiply
    326,093.94x = 489,161.79 × 112,882.38
  4. Step 4: Simplify right side
    326,093.94x = 55,217,747,060.26
  5. Step 5: Solve for x
    x = 55,217,747,060.26/326,093.94
  6. Step 6: Final answer
    x = 169,330.80

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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.