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Finding the Fourth Proportional to 188,494.48, 260,183 and 120,694.04

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Solution

The fourth proportional to 188,494.48, 260,183 and 120,694.04 is: 166,596.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,494.48 : 260,183 = 120,694.04 : x
  2. Step 2: Convert to fraction form
    188,494.48/260,183 = 120,694.04/x
  3. Step 3: Cross multiply
    188,494.48x = 260,183 × 120,694.04
  4. Step 4: Simplify right side
    188,494.48x = 31,402,537,409.32
  5. Step 5: Solve for x
    x = 31,402,537,409.32/188,494.48
  6. Step 6: Final answer
    x = 166,596.59

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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.