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Finding the Fourth Proportional to 199,167.54, 298,839.61 and 104,375.20

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Solution

The fourth proportional to 199,167.54, 298,839.61 and 104,375.20 is: 156,609.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,167.54 : 298,839.61 = 104,375.20 : x
  2. Step 2: Convert to fraction form
    199,167.54/298,839.61 = 104,375.20/x
  3. Step 3: Cross multiply
    199,167.54x = 298,839.61 × 104,375.20
  4. Step 4: Simplify right side
    199,167.54x = 31,191,444,061.67
  5. Step 5: Solve for x
    x = 31,191,444,061.67/199,167.54
  6. Step 6: Final answer
    x = 156,609.07

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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.