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Finding the Fourth Proportional to 270,196.54, 372,890.53 and 149,335.22

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Solution

The fourth proportional to 270,196.54, 372,890.53 and 149,335.22 is: 206,093.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,196.54 : 372,890.53 = 149,335.22 : x
  2. Step 2: Convert to fraction form
    270,196.54/372,890.53 = 149,335.22/x
  3. Step 3: Cross multiply
    270,196.54x = 372,890.53 × 149,335.22
  4. Step 4: Simplify right side
    270,196.54x = 55,685,689,892.35
  5. Step 5: Solve for x
    x = 55,685,689,892.35/270,196.54
  6. Step 6: Final answer
    x = 206,093.28

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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.