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Finding the Fourth Proportional to 235,344.15, 324,778.22 and 127,914.15

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Solution

The fourth proportional to 235,344.15, 324,778.22 and 127,914.15 is: 176,523.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,344.15 : 324,778.22 = 127,914.15 : x
  2. Step 2: Convert to fraction form
    235,344.15/324,778.22 = 127,914.15/x
  3. Step 3: Cross multiply
    235,344.15x = 324,778.22 × 127,914.15
  4. Step 4: Simplify right side
    235,344.15x = 41,543,729,310.24
  5. Step 5: Solve for x
    x = 41,543,729,310.24/235,344.15
  6. Step 6: Final answer
    x = 176,523.31

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1.5x scale

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.