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Finding the Fourth Proportional to 173,620.20, 260,430.30 and 62,786.28

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Solution

The fourth proportional to 173,620.20, 260,430.30 and 62,786.28 is: 94,179.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,620.20 : 260,430.30 = 62,786.28 : x
  2. Step 2: Convert to fraction form
    173,620.20/260,430.30 = 62,786.28/x
  3. Step 3: Cross multiply
    173,620.20x = 260,430.30 × 62,786.28
  4. Step 4: Simplify right side
    173,620.20x = 16,351,449,736.28
  5. Step 5: Solve for x
    x = 16,351,449,736.28/173,620.20
  6. Step 6: Final answer
    x = 94,179.42

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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.