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Finding the Fourth Proportional to 201,735.33, 302,515.47 and 68,579.82

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Solution

The fourth proportional to 201,735.33, 302,515.47 and 68,579.82 is: 102,839.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,735.33 : 302,515.47 = 68,579.82 : x
  2. Step 2: Convert to fraction form
    201,735.33/302,515.47 = 68,579.82/x
  3. Step 3: Cross multiply
    201,735.33x = 302,515.47 × 68,579.82
  4. Step 4: Simplify right side
    201,735.33x = 20,746,456,479.82
  5. Step 5: Solve for x
    x = 20,746,456,479.82/201,735.33
  6. Step 6: Final answer
    x = 102,839.98

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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.