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Finding the Fourth Proportional to 169,793.44, 254,602.64 and 76,219.04

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Solution

The fourth proportional to 169,793.44, 254,602.64 and 76,219.04 is: 114,289.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,793.44 : 254,602.64 = 76,219.04 : x
  2. Step 2: Convert to fraction form
    169,793.44/254,602.64 = 76,219.04/x
  3. Step 3: Cross multiply
    169,793.44x = 254,602.64 × 76,219.04
  4. Step 4: Simplify right side
    169,793.44x = 19,405,568,802.27
  5. Step 5: Solve for x
    x = 19,405,568,802.27/169,793.44
  6. Step 6: Final answer
    x = 114,289.27

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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.