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Finding the Fourth Proportional to 270,460.25, 405,717.41 and 92,943.89

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Solution

The fourth proportional to 270,460.25, 405,717.41 and 92,943.89 is: 139,425.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,460.25 : 405,717.41 = 92,943.89 : x
  2. Step 2: Convert to fraction form
    270,460.25/405,717.41 = 92,943.89/x
  3. Step 3: Cross multiply
    270,460.25x = 405,717.41 × 92,943.89
  4. Step 4: Simplify right side
    270,460.25x = 37,708,954,326.12
  5. Step 5: Solve for x
    x = 37,708,954,326.12/270,460.25
  6. Step 6: Final answer
    x = 139,425.13

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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.