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Finding the Fourth Proportional to 201,768.44, 302,505.03 and 68,612.94

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Solution

The fourth proportional to 201,768.44, 302,505.03 and 68,612.94 is: 102,869.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,768.44 : 302,505.03 = 68,612.94 : x
  2. Step 2: Convert to fraction form
    201,768.44/302,505.03 = 68,612.94/x
  3. Step 3: Cross multiply
    201,768.44x = 302,505.03 × 68,612.94
  4. Step 4: Simplify right side
    201,768.44x = 20,755,759,473.09
  5. Step 5: Solve for x
    x = 20,755,759,473.09/201,768.44
  6. Step 6: Final answer
    x = 102,869.21

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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.