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Finding the Fourth Proportional to 225,096.48, 337,310.64 and 91,813.68

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Solution

The fourth proportional to 225,096.48, 337,310.64 and 91,813.68 is: 137,584.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,096.48 : 337,310.64 = 91,813.68 : x
  2. Step 2: Convert to fraction form
    225,096.48/337,310.64 = 91,813.68/x
  3. Step 3: Cross multiply
    225,096.48x = 337,310.64 × 91,813.68
  4. Step 4: Simplify right side
    225,096.48x = 30,969,731,161.56
  5. Step 5: Solve for x
    x = 30,969,731,161.56/225,096.48
  6. Step 6: Final answer
    x = 137,584.25

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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.