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Finding the Fourth Proportional to 71,694.11, 98,958.67 and 44,478.49

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Solution

The fourth proportional to 71,694.11, 98,958.67 and 44,478.49 is: 61,393.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,694.11 : 98,958.67 = 44,478.49 : x
  2. Step 2: Convert to fraction form
    71,694.11/98,958.67 = 44,478.49/x
  3. Step 3: Cross multiply
    71,694.11x = 98,958.67 × 44,478.49
  4. Step 4: Simplify right side
    71,694.11x = 4,401,532,444.38
  5. Step 5: Solve for x
    x = 4,401,532,444.38/71,694.11
  6. Step 6: Final answer
    x = 61,393.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.