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Finding the Fourth Proportional to 123,696.67, 170,717.49 and 69,269.56

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Solution

The fourth proportional to 123,696.67, 170,717.49 and 69,269.56 is: 95,601.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,696.67 : 170,717.49 = 69,269.56 : x
  2. Step 2: Convert to fraction form
    123,696.67/170,717.49 = 69,269.56/x
  3. Step 3: Cross multiply
    123,696.67x = 170,717.49 × 69,269.56
  4. Step 4: Simplify right side
    123,696.67x = 11,825,525,416.60
  5. Step 5: Solve for x
    x = 11,825,525,416.60/123,696.67
  6. Step 6: Final answer
    x = 95,601.00

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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.