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Finding the Fourth Proportional to 73,274.55, 109,950.21 and 39,988.41

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Solution

The fourth proportional to 73,274.55, 109,950.21 and 39,988.41 is: 60,003.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,274.55 : 109,950.21 = 39,988.41 : x
  2. Step 2: Convert to fraction form
    73,274.55/109,950.21 = 39,988.41/x
  3. Step 3: Cross multiply
    73,274.55x = 109,950.21 × 39,988.41
  4. Step 4: Simplify right side
    73,274.55x = 4,396,734,077.07
  5. Step 5: Solve for x
    x = 4,396,734,077.07/73,274.55
  6. Step 6: Final answer
    x = 60,003.56

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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.