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Finding the Fourth Proportional to 234,800.30, 351,578.36 and 123,759.02

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Solution

The fourth proportional to 234,800.30, 351,578.36 and 123,759.02 is: 185,310.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,800.30 : 351,578.36 = 123,759.02 : x
  2. Step 2: Convert to fraction form
    234,800.30/351,578.36 = 123,759.02/x
  3. Step 3: Cross multiply
    234,800.30x = 351,578.36 × 123,759.02
  4. Step 4: Simplify right side
    234,800.30x = 43,510,993,286.81
  5. Step 5: Solve for x
    x = 43,510,993,286.81/234,800.30
  6. Step 6: Final answer
    x = 185,310.64

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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.