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Finding the Fourth Proportional to 298,058.89, 411,317.37 and 162,089.91

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Solution

The fourth proportional to 298,058.89, 411,317.37 and 162,089.91 is: 223,681.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,058.89 : 411,317.37 = 162,089.91 : x
  2. Step 2: Convert to fraction form
    298,058.89/411,317.37 = 162,089.91/x
  3. Step 3: Cross multiply
    298,058.89x = 411,317.37 × 162,089.91
  4. Step 4: Simplify right side
    298,058.89x = 66,670,394,456.44
  5. Step 5: Solve for x
    x = 66,670,394,456.44/298,058.89
  6. Step 6: Final answer
    x = 223,681.95

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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.