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Finding the Fourth Proportional to 146,108.75, 201,630.08 and 79,040.75

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Solution

The fourth proportional to 146,108.75, 201,630.08 and 79,040.75 is: 109,076.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,108.75 : 201,630.08 = 79,040.75 : x
  2. Step 2: Convert to fraction form
    146,108.75/201,630.08 = 79,040.75/x
  3. Step 3: Cross multiply
    146,108.75x = 201,630.08 × 79,040.75
  4. Step 4: Simplify right side
    146,108.75x = 15,936,992,350.56
  5. Step 5: Solve for x
    x = 15,936,992,350.56/146,108.75
  6. Step 6: Final answer
    x = 109,076.24

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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.