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Finding the Fourth Proportional to 230,591.22, 345,991.91 and 118,350.24

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Solution

The fourth proportional to 230,591.22, 345,991.91 and 118,350.24 is: 177,579.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,591.22 : 345,991.91 = 118,350.24 : x
  2. Step 2: Convert to fraction form
    230,591.22/345,991.91 = 118,350.24/x
  3. Step 3: Cross multiply
    230,591.22x = 345,991.91 × 118,350.24
  4. Step 4: Simplify right side
    230,591.22x = 40,948,225,586.56
  5. Step 5: Solve for x
    x = 40,948,225,586.56/230,591.22
  6. Step 6: Final answer
    x = 177,579.29

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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.