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Finding the Fourth Proportional to 71,898.49, 99,227.33 and 43,227.52

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Solution

The fourth proportional to 71,898.49, 99,227.33 and 43,227.52 is: 59,658.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,898.49 : 99,227.33 = 43,227.52 : x
  2. Step 2: Convert to fraction form
    71,898.49/99,227.33 = 43,227.52/x
  3. Step 3: Cross multiply
    71,898.49x = 99,227.33 × 43,227.52
  4. Step 4: Simplify right side
    71,898.49x = 4,289,351,392.12
  5. Step 5: Solve for x
    x = 4,289,351,392.12/71,898.49
  6. Step 6: Final answer
    x = 59,658.43

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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.