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Finding the Fourth Proportional to 201,069.28, 303,016 and 181,103.76

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Solution

The fourth proportional to 201,069.28, 303,016 and 181,103.76 is: 272,927.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,069.28 : 303,016 = 181,103.76 : x
  2. Step 2: Convert to fraction form
    201,069.28/303,016 = 181,103.76/x
  3. Step 3: Cross multiply
    201,069.28x = 303,016 × 181,103.76
  4. Step 4: Simplify right side
    201,069.28x = 54,877,336,940.16
  5. Step 5: Solve for x
    x = 54,877,336,940.16/201,069.28
  6. Step 6: Final answer
    x = 272,927.51

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.