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Finding the Fourth Proportional to 234,399.58, 351,571.44 and 61,279.90

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Solution

The fourth proportional to 234,399.58, 351,571.44 and 61,279.90 is: 91,912.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,399.58 : 351,571.44 = 61,279.90 : x
  2. Step 2: Convert to fraction form
    234,399.58/351,571.44 = 61,279.90/x
  3. Step 3: Cross multiply
    234,399.58x = 351,571.44 × 61,279.90
  4. Step 4: Simplify right side
    234,399.58x = 21,544,262,686.06
  5. Step 5: Solve for x
    x = 21,544,262,686.06/234,399.58
  6. Step 6: Final answer
    x = 91,912.55

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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.