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Finding the Fourth Proportional to 234,716.45, 351,919.13 and 84,937.25

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Solution

The fourth proportional to 234,716.45, 351,919.13 and 84,937.25 is: 127,349.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,716.45 : 351,919.13 = 84,937.25 : x
  2. Step 2: Convert to fraction form
    234,716.45/351,919.13 = 84,937.25/x
  3. Step 3: Cross multiply
    234,716.45x = 351,919.13 × 84,937.25
  4. Step 4: Simplify right side
    234,716.45x = 29,891,043,579.70
  5. Step 5: Solve for x
    x = 29,891,043,579.70/234,716.45
  6. Step 6: Final answer
    x = 127,349.59

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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.