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Finding the Fourth Proportional to 275,169.54, 412,795.33 and 97,661.69

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Solution

The fourth proportional to 275,169.54, 412,795.33 and 97,661.69 is: 146,507.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,169.54 : 412,795.33 = 97,661.69 : x
  2. Step 2: Convert to fraction form
    275,169.54/412,795.33 = 97,661.69/x
  3. Step 3: Cross multiply
    275,169.54x = 412,795.33 × 97,661.69
  4. Step 4: Simplify right side
    275,169.54x = 40,314,288,791.76
  5. Step 5: Solve for x
    x = 40,314,288,791.76/275,169.54
  6. Step 6: Final answer
    x = 146,507.09

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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.