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Finding the Fourth Proportional to 270,728.66, 373,608.51 and 149,871.97

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Solution

The fourth proportional to 270,728.66, 373,608.51 and 149,871.97 is: 206,824.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,728.66 : 373,608.51 = 149,871.97 : x
  2. Step 2: Convert to fraction form
    270,728.66/373,608.51 = 149,871.97/x
  3. Step 3: Cross multiply
    270,728.66x = 373,608.51 × 149,871.97
  4. Step 4: Simplify right side
    270,728.66x = 55,993,443,402.46
  5. Step 5: Solve for x
    x = 55,993,443,402.46/270,728.66
  6. Step 6: Final answer
    x = 206,824.96

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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.