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Finding the Fourth Proportional to 123,093.26, 169,868.82 and 66,504.76

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Solution

The fourth proportional to 123,093.26, 169,868.82 and 66,504.76 is: 91,776.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,093.26 : 169,868.82 = 66,504.76 : x
  2. Step 2: Convert to fraction form
    123,093.26/169,868.82 = 66,504.76/x
  3. Step 3: Cross multiply
    123,093.26x = 169,868.82 × 66,504.76
  4. Step 4: Simplify right side
    123,093.26x = 11,297,085,105.58
  5. Step 5: Solve for x
    x = 11,297,085,105.58/123,093.26
  6. Step 6: Final answer
    x = 91,776.63

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1.5x scale

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.