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Finding the Fourth Proportional to 201,628.20, 302,606.33 and 195,067.20

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Solution

The fourth proportional to 201,628.20, 302,606.33 and 195,067.20 is: 292,759.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,628.20 : 302,606.33 = 195,067.20 : x
  2. Step 2: Convert to fraction form
    201,628.20/302,606.33 = 195,067.20/x
  3. Step 3: Cross multiply
    201,628.20x = 302,606.33 × 195,067.20
  4. Step 4: Simplify right side
    201,628.20x = 59,028,569,495.38
  5. Step 5: Solve for x
    x = 59,028,569,495.38/201,628.20
  6. Step 6: Final answer
    x = 292,759.49

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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.