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Finding the Fourth Proportional to 146,879.52, 202,694.24 and 79,811.52

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Solution

The fourth proportional to 146,879.52, 202,694.24 and 79,811.52 is: 110,140.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,879.52 : 202,694.24 = 79,811.52 : x
  2. Step 2: Convert to fraction form
    146,879.52/202,694.24 = 79,811.52/x
  3. Step 3: Cross multiply
    146,879.52x = 202,694.24 × 79,811.52
  4. Step 4: Simplify right side
    146,879.52x = 16,177,335,389.64
  5. Step 5: Solve for x
    x = 16,177,335,389.64/146,879.52
  6. Step 6: Final answer
    x = 110,140.17

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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.