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Finding the Fourth Proportional to 270,029.13, 405,101.11 and 92,488.47

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Solution

The fourth proportional to 270,029.13, 405,101.11 and 92,488.47 is: 138,752.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,029.13 : 405,101.11 = 92,488.47 : x
  2. Step 2: Convert to fraction form
    270,029.13/405,101.11 = 92,488.47/x
  3. Step 3: Cross multiply
    270,029.13x = 405,101.11 × 92,488.47
  4. Step 4: Simplify right side
    270,029.13x = 37,467,181,859.20
  5. Step 5: Solve for x
    x = 37,467,181,859.20/270,029.13
  6. Step 6: Final answer
    x = 138,752.37

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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.