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Finding the Fourth Proportional to 146,797.89, 202,582.13 and 79,729.89

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Solution

The fourth proportional to 146,797.89, 202,582.13 and 79,729.89 is: 110,027.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,797.89 : 202,582.13 = 79,729.89 : x
  2. Step 2: Convert to fraction form
    146,797.89/202,582.13 = 79,729.89/x
  3. Step 3: Cross multiply
    146,797.89x = 202,582.13 × 79,729.89
  4. Step 4: Simplify right side
    146,797.89x = 16,151,850,940.87
  5. Step 5: Solve for x
    x = 16,151,850,940.87/146,797.89
  6. Step 6: Final answer
    x = 110,027.81

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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.