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Finding the Fourth Proportional to 270,196.67, 372,890.70 and 149,335.36

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Solution

The fourth proportional to 270,196.67, 372,890.70 and 149,335.36 is: 206,093.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,196.67 : 372,890.70 = 149,335.36 : x
  2. Step 2: Convert to fraction form
    270,196.67/372,890.70 = 149,335.36/x
  3. Step 3: Cross multiply
    270,196.67x = 372,890.70 × 149,335.36
  4. Step 4: Simplify right side
    270,196.67x = 55,685,766,925.15
  5. Step 5: Solve for x
    x = 55,685,766,925.15/270,196.67
  6. Step 6: Final answer
    x = 206,093.46

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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.