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Finding the Fourth Proportional to 270,505.33, 405,794.88 and 112,696.88

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Solution

The fourth proportional to 270,505.33, 405,794.88 and 112,696.88 is: 169,060.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,505.33 : 405,794.88 = 112,696.88 : x
  2. Step 2: Convert to fraction form
    270,505.33/405,794.88 = 112,696.88/x
  3. Step 3: Cross multiply
    270,505.33x = 405,794.88 × 112,696.88
  4. Step 4: Simplify right side
    270,505.33x = 45,731,814,867
  5. Step 5: Solve for x
    x = 45,731,814,867/270,505.33
  6. Step 6: Final answer
    x = 169,060.68

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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.