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Finding the Fourth Proportional to 146,806.88, 202,593.69 and 79,738.88

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Solution

The fourth proportional to 146,806.88, 202,593.69 and 79,738.88 is: 110,039.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,806.88 : 202,593.69 = 79,738.88 : x
  2. Step 2: Convert to fraction form
    146,806.88/202,593.69 = 79,738.88/x
  3. Step 3: Cross multiply
    146,806.88x = 202,593.69 × 79,738.88
  4. Step 4: Simplify right side
    146,806.88x = 16,154,592,922.70
  5. Step 5: Solve for x
    x = 16,154,592,922.70/146,806.88
  6. Step 6: Final answer
    x = 110,039.76

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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.