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Finding the Fourth Proportional to 270,264.63, 372,954.79 and 161,387.27

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Solution

The fourth proportional to 270,264.63, 372,954.79 and 161,387.27 is: 222,708.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,264.63 : 372,954.79 = 161,387.27 : x
  2. Step 2: Convert to fraction form
    270,264.63/372,954.79 = 161,387.27/x
  3. Step 3: Cross multiply
    270,264.63x = 372,954.79 × 161,387.27
  4. Step 4: Simplify right side
    270,264.63x = 60,190,156,672.10
  5. Step 5: Solve for x
    x = 60,190,156,672.10/270,264.63
  6. Step 6: Final answer
    x = 222,708.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.