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Finding the Fourth Proportional to 161,104.91, 241,524.32 and 71,083.53

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Solution

The fourth proportional to 161,104.91, 241,524.32 and 71,083.53 is: 106,566.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,104.91 : 241,524.32 = 71,083.53 : x
  2. Step 2: Convert to fraction form
    161,104.91/241,524.32 = 71,083.53/x
  3. Step 3: Cross multiply
    161,104.91x = 241,524.32 × 71,083.53
  4. Step 4: Simplify right side
    161,104.91x = 17,168,400,891.03
  5. Step 5: Solve for x
    x = 17,168,400,891.03/161,104.91
  6. Step 6: Final answer
    x = 106,566.59

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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.