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Finding the Fourth Proportional to 199,516.65, 299,106.42 and 92,845.56

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Solution

The fourth proportional to 199,516.65, 299,106.42 and 92,845.56 is: 139,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,516.65 : 299,106.42 = 92,845.56 : x
  2. Step 2: Convert to fraction form
    199,516.65/299,106.42 = 92,845.56/x
  3. Step 3: Cross multiply
    199,516.65x = 299,106.42 × 92,845.56
  4. Step 4: Simplify right side
    199,516.65x = 27,770,703,064.50
  5. Step 5: Solve for x
    x = 27,770,703,064.50/199,516.65
  6. Step 6: Final answer
    x = 139,189.90

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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.