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Finding the Fourth Proportional to 234,976.90, 324,269.76 and 127,546.93

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Solution

The fourth proportional to 234,976.90, 324,269.76 and 127,546.93 is: 176,015.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,976.90 : 324,269.76 = 127,546.93 : x
  2. Step 2: Convert to fraction form
    234,976.90/324,269.76 = 127,546.93/x
  3. Step 3: Cross multiply
    234,976.90x = 324,269.76 × 127,546.93
  4. Step 4: Simplify right side
    234,976.90x = 41,359,612,379.84
  5. Step 5: Solve for x
    x = 41,359,612,379.84/234,976.90
  6. Step 6: Final answer
    x = 176,015.65

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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.