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Finding the Fourth Proportional to 234,147.60, 351,300.24 and 74,249.76

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Solution

The fourth proportional to 234,147.60, 351,300.24 and 74,249.76 is: 111,399.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,147.60 : 351,300.24 = 74,249.76 : x
  2. Step 2: Convert to fraction form
    234,147.60/351,300.24 = 74,249.76/x
  3. Step 3: Cross multiply
    234,147.60x = 351,300.24 × 74,249.76
  4. Step 4: Simplify right side
    234,147.60x = 26,083,958,507.94
  5. Step 5: Solve for x
    x = 26,083,958,507.94/234,147.60
  6. Step 6: Final answer
    x = 111,399.64

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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.