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Finding the Fourth Proportional to 270,522.14, 405,519.48 and 112,795.70

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Solution

The fourth proportional to 270,522.14, 405,519.48 and 112,795.70 is: 169,083.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,522.14 : 405,519.48 = 112,795.70 : x
  2. Step 2: Convert to fraction form
    270,522.14/405,519.48 = 112,795.70/x
  3. Step 3: Cross multiply
    270,522.14x = 405,519.48 × 112,795.70
  4. Step 4: Simplify right side
    270,522.14x = 45,740,853,610.24
  5. Step 5: Solve for x
    x = 45,740,853,610.24/270,522.14
  6. Step 6: Final answer
    x = 169,083.59

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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.