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Finding the Fourth Proportional to 69,571.95, 95,972.52 and 49,436.97

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Solution

The fourth proportional to 69,571.95, 95,972.52 and 49,436.97 is: 68,196.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,571.95 : 95,972.52 = 49,436.97 : x
  2. Step 2: Convert to fraction form
    69,571.95/95,972.52 = 49,436.97/x
  3. Step 3: Cross multiply
    69,571.95x = 95,972.52 × 49,436.97
  4. Step 4: Simplify right side
    69,571.95x = 4,744,590,592.06
  5. Step 5: Solve for x
    x = 4,744,590,592.06/69,571.95
  6. Step 6: Final answer
    x = 68,196.89

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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.