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Finding the Fourth Proportional to 303,540.88, 455,360.70 and 114,016

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Solution

The fourth proportional to 303,540.88, 455,360.70 and 114,016 is: 171,042.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,540.88 : 455,360.70 = 114,016 : x
  2. Step 2: Convert to fraction form
    303,540.88/455,360.70 = 114,016/x
  3. Step 3: Cross multiply
    303,540.88x = 455,360.70 × 114,016
  4. Step 4: Simplify right side
    303,540.88x = 51,918,405,571.20
  5. Step 5: Solve for x
    x = 51,918,405,571.20/303,540.88
  6. Step 6: Final answer
    x = 171,042.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.