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Finding the Fourth Proportional to 234,809.44, 324,037.66 and 127,379.48

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Solution

The fourth proportional to 234,809.44, 324,037.66 and 127,379.48 is: 175,784.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,809.44 : 324,037.66 = 127,379.48 : x
  2. Step 2: Convert to fraction form
    234,809.44/324,037.66 = 127,379.48/x
  3. Step 3: Cross multiply
    234,809.44x = 324,037.66 × 127,379.48
  4. Step 4: Simplify right side
    234,809.44x = 41,275,747,484.52
  5. Step 5: Solve for x
    x = 41,275,747,484.52/234,809.44
  6. Step 6: Final answer
    x = 175,784.02

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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.