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Finding the Fourth Proportional to 69,570.95, 95,971.14 and 49,435.97

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Solution

The fourth proportional to 69,570.95, 95,971.14 and 49,435.97 is: 68,195.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,570.95 : 95,971.14 = 49,435.97 : x
  2. Step 2: Convert to fraction form
    69,570.95/95,971.14 = 49,435.97/x
  3. Step 3: Cross multiply
    69,570.95x = 95,971.14 × 49,435.97
  4. Step 4: Simplify right side
    69,570.95x = 4,744,425,918.05
  5. Step 5: Solve for x
    x = 4,744,425,918.05/69,570.95
  6. Step 6: Final answer
    x = 68,195.51

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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.