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Finding the Fourth Proportional to 230,819.90, 346,276.65 and 131,027.90

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Solution

The fourth proportional to 230,819.90, 346,276.65 and 131,027.90 is: 196,568.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,819.90 : 346,276.65 = 131,027.90 : x
  2. Step 2: Convert to fraction form
    230,819.90/346,276.65 = 131,027.90/x
  3. Step 3: Cross multiply
    230,819.90x = 346,276.65 × 131,027.90
  4. Step 4: Simplify right side
    230,819.90x = 45,371,902,268.54
  5. Step 5: Solve for x
    x = 45,371,902,268.54/230,819.90
  6. Step 6: Final answer
    x = 196,568.42

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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.