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Finding the Fourth Proportional to 234,314.96, 351,399.79 and 84,535.79

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Solution

The fourth proportional to 234,314.96, 351,399.79 and 84,535.79 is: 126,777.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,314.96 : 351,399.79 = 84,535.79 : x
  2. Step 2: Convert to fraction form
    234,314.96/351,399.79 = 84,535.79/x
  3. Step 3: Cross multiply
    234,314.96x = 351,399.79 × 84,535.79
  4. Step 4: Simplify right side
    234,314.96x = 29,705,857,202.15
  5. Step 5: Solve for x
    x = 29,705,857,202.15/234,314.96
  6. Step 6: Final answer
    x = 126,777.47

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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.