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Finding the Fourth Proportional to 225,012.73, 337,519.43 and 91,893

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Solution

The fourth proportional to 225,012.73, 337,519.43 and 91,893 is: 137,839.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,012.73 : 337,519.43 = 91,893 : x
  2. Step 2: Convert to fraction form
    225,012.73/337,519.43 = 91,893/x
  3. Step 3: Cross multiply
    225,012.73x = 337,519.43 × 91,893
  4. Step 4: Simplify right side
    225,012.73x = 31,015,672,980.99
  5. Step 5: Solve for x
    x = 31,015,672,980.99/225,012.73
  6. Step 6: Final answer
    x = 137,839.64

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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.