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Finding the Fourth Proportional to 234,661.72, 323,835.58 and 127,231.96

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Solution

The fourth proportional to 234,661.72, 323,835.58 and 127,231.96 is: 175,581.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,661.72 : 323,835.58 = 127,231.96 : x
  2. Step 2: Convert to fraction form
    234,661.72/323,835.58 = 127,231.96/x
  3. Step 3: Cross multiply
    234,661.72x = 323,835.58 × 127,231.96
  4. Step 4: Simplify right side
    234,661.72x = 41,202,235,561.14
  5. Step 5: Solve for x
    x = 41,202,235,561.14/234,661.72
  6. Step 6: Final answer
    x = 175,581.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.