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Finding the Fourth Proportional to 161,083.82, 241,625.73 and 61,220.54

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Solution

The fourth proportional to 161,083.82, 241,625.73 and 61,220.54 is: 91,830.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,083.82 : 241,625.73 = 61,220.54 : x
  2. Step 2: Convert to fraction form
    161,083.82/241,625.73 = 61,220.54/x
  3. Step 3: Cross multiply
    161,083.82x = 241,625.73 × 61,220.54
  4. Step 4: Simplify right side
    161,083.82x = 14,792,457,668.49
  5. Step 5: Solve for x
    x = 14,792,457,668.49/161,083.82
  6. Step 6: Final answer
    x = 91,830.81

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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.