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Finding the Fourth Proportional to 146,661.80, 202,393.04 and 79,593.80

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Solution

The fourth proportional to 146,661.80, 202,393.04 and 79,593.80 is: 109,839.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,661.80 : 202,393.04 = 79,593.80 : x
  2. Step 2: Convert to fraction form
    146,661.80/202,393.04 = 79,593.80/x
  3. Step 3: Cross multiply
    146,661.80x = 202,393.04 × 79,593.80
  4. Step 4: Simplify right side
    146,661.80x = 16,109,231,147.15
  5. Step 5: Solve for x
    x = 16,109,231,147.15/146,661.80
  6. Step 6: Final answer
    x = 109,839.31

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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.