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Finding the Fourth Proportional to 241,220.91, 361,374.66 and 161,017.05

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Solution

The fourth proportional to 241,220.91, 361,374.66 and 161,017.05 is: 241,220.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,220.91 : 361,374.66 = 161,017.05 : x
  2. Step 2: Convert to fraction form
    241,220.91/361,374.66 = 161,017.05/x
  3. Step 3: Cross multiply
    241,220.91x = 361,374.66 × 161,017.05
  4. Step 4: Simplify right side
    241,220.91x = 58,187,481,020.38
  5. Step 5: Solve for x
    x = 58,187,481,020.38/241,220.91
  6. Step 6: Final answer
    x = 241,220.71

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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.