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Finding the Fourth Proportional to 169,942.20, 254,913.30 and 110,893.20

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Solution

The fourth proportional to 169,942.20, 254,913.30 and 110,893.20 is: 166,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,942.20 : 254,913.30 = 110,893.20 : x
  2. Step 2: Convert to fraction form
    169,942.20/254,913.30 = 110,893.20/x
  3. Step 3: Cross multiply
    169,942.20x = 254,913.30 × 110,893.20
  4. Step 4: Simplify right side
    169,942.20x = 28,268,151,559.56
  5. Step 5: Solve for x
    x = 28,268,151,559.56/169,942.20
  6. Step 6: Final answer
    x = 166,339.80

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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.