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Finding the Fourth Proportional to 173,744.80, 260,617.20 and 68,550.10

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Solution

The fourth proportional to 173,744.80, 260,617.20 and 68,550.10 is: 102,825.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,744.80 : 260,617.20 = 68,550.10 : x
  2. Step 2: Convert to fraction form
    173,744.80/260,617.20 = 68,550.10/x
  3. Step 3: Cross multiply
    173,744.80x = 260,617.20 × 68,550.10
  4. Step 4: Simplify right side
    173,744.80x = 17,865,335,121.72
  5. Step 5: Solve for x
    x = 17,865,335,121.72/173,744.80
  6. Step 6: Final answer
    x = 102,825.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.