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Finding the Fourth Proportional to 270,067.17, 405,150 and 92,592.12

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Solution

The fourth proportional to 270,067.17, 405,150 and 92,592.12 is: 138,905.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,067.17 : 405,150 = 92,592.12 : x
  2. Step 2: Convert to fraction form
    270,067.17/405,150 = 92,592.12/x
  3. Step 3: Cross multiply
    270,067.17x = 405,150 × 92,592.12
  4. Step 4: Simplify right side
    270,067.17x = 37,513,697,418
  5. Step 5: Solve for x
    x = 37,513,697,418/270,067.17
  6. Step 6: Final answer
    x = 138,905.06

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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.