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Finding the Fourth Proportional to 146,959.50, 202,804.20 and 79,891.50

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Solution

The fourth proportional to 146,959.50, 202,804.20 and 79,891.50 is: 110,250.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,959.50 : 202,804.20 = 79,891.50 : x
  2. Step 2: Convert to fraction form
    146,959.50/202,804.20 = 79,891.50/x
  3. Step 3: Cross multiply
    146,959.50x = 202,804.20 × 79,891.50
  4. Step 4: Simplify right side
    146,959.50x = 16,202,331,744.30
  5. Step 5: Solve for x
    x = 16,202,331,744.30/146,959.50
  6. Step 6: Final answer
    x = 110,250.32

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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.