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Finding the Fourth Proportional to 279,133.68, 418,839.03 and 110,650.44

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Solution

The fourth proportional to 279,133.68, 418,839.03 and 110,650.44 is: 166,030.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,133.68 : 418,839.03 = 110,650.44 : x
  2. Step 2: Convert to fraction form
    279,133.68/418,839.03 = 110,650.44/x
  3. Step 3: Cross multiply
    279,133.68x = 418,839.03 × 110,650.44
  4. Step 4: Simplify right side
    279,133.68x = 46,344,722,958.67
  5. Step 5: Solve for x
    x = 46,344,722,958.67/279,133.68
  6. Step 6: Final answer
    x = 166,030.57

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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.