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Finding the Fourth Proportional to 69,208.56, 95,408.28 and 49,302

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Solution

The fourth proportional to 69,208.56, 95,408.28 and 49,302 is: 67,965.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,208.56 : 95,408.28 = 49,302 : x
  2. Step 2: Convert to fraction form
    69,208.56/95,408.28 = 49,302/x
  3. Step 3: Cross multiply
    69,208.56x = 95,408.28 × 49,302
  4. Step 4: Simplify right side
    69,208.56x = 4,703,819,020.56
  5. Step 5: Solve for x
    x = 4,703,819,020.56/69,208.56
  6. Step 6: Final answer
    x = 67,965.86

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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.