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Finding the Fourth Proportional to 101,123.28, 151,696.62 and 33,661.44

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Solution

The fourth proportional to 101,123.28, 151,696.62 and 33,661.44 is: 50,496.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,123.28 : 151,696.62 = 33,661.44 : x
  2. Step 2: Convert to fraction form
    101,123.28/151,696.62 = 33,661.44/x
  3. Step 3: Cross multiply
    101,123.28x = 151,696.62 × 33,661.44
  4. Step 4: Simplify right side
    101,123.28x = 5,106,326,672.33
  5. Step 5: Solve for x
    x = 5,106,326,672.33/101,123.28
  6. Step 6: Final answer
    x = 50,496.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.