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Finding the Fourth Proportional to 234,349.40, 351,313.60 and 84,554.48

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Solution

The fourth proportional to 234,349.40, 351,313.60 and 84,554.48 is: 126,755.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,349.40 : 351,313.60 = 84,554.48 : x
  2. Step 2: Convert to fraction form
    234,349.40/351,313.60 = 84,554.48/x
  3. Step 3: Cross multiply
    234,349.40x = 351,313.60 × 84,554.48
  4. Step 4: Simplify right side
    234,349.40x = 29,705,138,764.93
  5. Step 5: Solve for x
    x = 29,705,138,764.93/234,349.40
  6. Step 6: Final answer
    x = 126,755.77

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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.