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Finding the Fourth Proportional to 235,344.72, 324,778.28 and 127,914.80

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Solution

The fourth proportional to 235,344.72, 324,778.28 and 127,914.80 is: 176,523.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,344.72 : 324,778.28 = 127,914.80 : x
  2. Step 2: Convert to fraction form
    235,344.72/324,778.28 = 127,914.80/x
  3. Step 3: Cross multiply
    235,344.72x = 324,778.28 × 127,914.80
  4. Step 4: Simplify right side
    235,344.72x = 41,543,946,467.08
  5. Step 5: Solve for x
    x = 41,543,946,467.08/235,344.72
  6. Step 6: Final answer
    x = 176,523.81

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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.