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Finding the Fourth Proportional to 270,064.67, 405,146.24 and 92,589.62

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Solution

The fourth proportional to 270,064.67, 405,146.24 and 92,589.62 is: 138,901.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,064.67 : 405,146.24 = 92,589.62 : x
  2. Step 2: Convert to fraction form
    270,064.67/405,146.24 = 92,589.62/x
  3. Step 3: Cross multiply
    270,064.67x = 405,146.24 × 92,589.62
  4. Step 4: Simplify right side
    270,064.67x = 37,512,335,943.08
  5. Step 5: Solve for x
    x = 37,512,335,943.08/270,064.67
  6. Step 6: Final answer
    x = 138,901.31

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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.