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Finding the Fourth Proportional to 199,034.55, 298,674.84 and 80,706.92

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Solution

The fourth proportional to 199,034.55, 298,674.84 and 80,706.92 is: 121,110.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,034.55 : 298,674.84 = 80,706.92 : x
  2. Step 2: Convert to fraction form
    199,034.55/298,674.84 = 80,706.92/x
  3. Step 3: Cross multiply
    199,034.55x = 298,674.84 × 80,706.92
  4. Step 4: Simplify right side
    199,034.55x = 24,105,125,227.17
  5. Step 5: Solve for x
    x = 24,105,125,227.17/199,034.55
  6. Step 6: Final answer
    x = 121,110.26

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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.