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Finding the Fourth Proportional to 270,042.96, 372,652.10 and 149,164.74

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Solution

The fourth proportional to 270,042.96, 372,652.10 and 149,164.74 is: 205,843.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,042.96 : 372,652.10 = 149,164.74 : x
  2. Step 2: Convert to fraction form
    270,042.96/372,652.10 = 149,164.74/x
  3. Step 3: Cross multiply
    270,042.96x = 372,652.10 × 149,164.74
  4. Step 4: Simplify right side
    270,042.96x = 55,586,553,606.95
  5. Step 5: Solve for x
    x = 55,586,553,606.95/270,042.96
  6. Step 6: Final answer
    x = 205,843.37

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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.