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Finding the Fourth Proportional to 234,757.70, 352,164.49 and 74,777.46

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Solution

The fourth proportional to 234,757.70, 352,164.49 and 74,777.46 is: 112,175.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,757.70 : 352,164.49 = 74,777.46 : x
  2. Step 2: Convert to fraction form
    234,757.70/352,164.49 = 74,777.46/x
  3. Step 3: Cross multiply
    234,757.70x = 352,164.49 × 74,777.46
  4. Step 4: Simplify right side
    234,757.70x = 26,333,966,958.38
  5. Step 5: Solve for x
    x = 26,333,966,958.38/234,757.70
  6. Step 6: Final answer
    x = 112,175.09

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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.