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Finding the Fourth Proportional to 234,879.48, 324,111.78 and 132,914.25

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Solution

The fourth proportional to 234,879.48, 324,111.78 and 132,914.25 is: 183,409.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,879.48 : 324,111.78 = 132,914.25 : x
  2. Step 2: Convert to fraction form
    234,879.48/324,111.78 = 132,914.25/x
  3. Step 3: Cross multiply
    234,879.48x = 324,111.78 × 132,914.25
  4. Step 4: Simplify right side
    234,879.48x = 43,079,074,154.87
  5. Step 5: Solve for x
    x = 43,079,074,154.87/234,879.48
  6. Step 6: Final answer
    x = 183,409.27

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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.