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Finding the Fourth Proportional to 73,213.67, 100,973.48 and 58,082.36

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Solution

The fourth proportional to 73,213.67, 100,973.48 and 58,082.36 is: 80,104.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,213.67 : 100,973.48 = 58,082.36 : x
  2. Step 2: Convert to fraction form
    73,213.67/100,973.48 = 58,082.36/x
  3. Step 3: Cross multiply
    73,213.67x = 100,973.48 × 58,082.36
  4. Step 4: Simplify right side
    73,213.67x = 5,864,777,220.53
  5. Step 5: Solve for x
    x = 5,864,777,220.53/73,213.67
  6. Step 6: Final answer
    x = 80,104.95

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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.