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Finding the Fourth Proportional to 169,834.49, 254,751.73 and 76,230.89

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Solution

The fourth proportional to 169,834.49, 254,751.73 and 76,230.89 is: 114,346.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,834.49 : 254,751.73 = 76,230.89 : x
  2. Step 2: Convert to fraction form
    169,834.49/254,751.73 = 76,230.89/x
  3. Step 3: Cross multiply
    169,834.49x = 254,751.73 × 76,230.89
  4. Step 4: Simplify right side
    169,834.49x = 19,419,951,106.94
  5. Step 5: Solve for x
    x = 19,419,951,106.94/169,834.49
  6. Step 6: Final answer
    x = 114,346.33

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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.