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Finding the Fourth Proportional to 299,072.01, 412,743.95 and 170,050.97

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Solution

The fourth proportional to 299,072.01, 412,743.95 and 170,050.97 is: 234,684.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,072.01 : 412,743.95 = 170,050.97 : x
  2. Step 2: Convert to fraction form
    299,072.01/412,743.95 = 170,050.97/x
  3. Step 3: Cross multiply
    299,072.01x = 412,743.95 × 170,050.97
  4. Step 4: Simplify right side
    299,072.01x = 70,187,508,239.32
  5. Step 5: Solve for x
    x = 70,187,508,239.32/299,072.01
  6. Step 6: Final answer
    x = 234,684.31

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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.