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Finding the Fourth Proportional to 169,636.83, 254,067.65 and 80,952.60

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Solution

The fourth proportional to 169,636.83, 254,067.65 and 80,952.60 is: 121,243.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,636.83 : 254,067.65 = 80,952.60 : x
  2. Step 2: Convert to fraction form
    169,636.83/254,067.65 = 80,952.60/x
  3. Step 3: Cross multiply
    169,636.83x = 254,067.65 × 80,952.60
  4. Step 4: Simplify right side
    169,636.83x = 20,567,436,438.63
  5. Step 5: Solve for x
    x = 20,567,436,438.63/169,636.83
  6. Step 6: Final answer
    x = 121,243.93

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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.