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Finding the Fourth Proportional to 83,274.89, 124,996.77 and 73,847.70

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Solution

The fourth proportional to 83,274.89, 124,996.77 and 73,847.70 is: 110,846.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,274.89 : 124,996.77 = 73,847.70 : x
  2. Step 2: Convert to fraction form
    83,274.89/124,996.77 = 73,847.70/x
  3. Step 3: Cross multiply
    83,274.89x = 124,996.77 × 73,847.70
  4. Step 4: Simplify right side
    83,274.89x = 9,230,723,971.93
  5. Step 5: Solve for x
    x = 9,230,723,971.93/83,274.89
  6. Step 6: Final answer
    x = 110,846.43

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1.5x scale

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.