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Finding the Fourth Proportional to 270,394.16, 373,141.76 and 149,540.54

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Solution

The fourth proportional to 270,394.16, 373,141.76 and 149,540.54 is: 206,364.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,394.16 : 373,141.76 = 149,540.54 : x
  2. Step 2: Convert to fraction form
    270,394.16/373,141.76 = 149,540.54/x
  3. Step 3: Cross multiply
    270,394.16x = 373,141.76 × 149,540.54
  4. Step 4: Simplify right side
    270,394.16x = 55,799,817,673.54
  5. Step 5: Solve for x
    x = 55,799,817,673.54/270,394.16
  6. Step 6: Final answer
    x = 206,364.73

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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.