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Finding the Fourth Proportional to 169,198.60, 253,823.41 and 73,162.09

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Solution

The fourth proportional to 169,198.60, 253,823.41 and 73,162.09 is: 109,754.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,198.60 : 253,823.41 = 73,162.09 : x
  2. Step 2: Convert to fraction form
    169,198.60/253,823.41 = 73,162.09/x
  3. Step 3: Cross multiply
    169,198.60x = 253,823.41 × 73,162.09
  4. Step 4: Simplify right side
    169,198.60x = 18,570,251,166.53
  5. Step 5: Solve for x
    x = 18,570,251,166.53/169,198.60
  6. Step 6: Final answer
    x = 109,754.17

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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.