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Finding the Fourth Proportional to 265,639.88, 366,540.92 and 149,330.36

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Solution

The fourth proportional to 265,639.88, 366,540.92 and 149,330.36 is: 206,052.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,639.88 : 366,540.92 = 149,330.36 : x
  2. Step 2: Convert to fraction form
    265,639.88/366,540.92 = 149,330.36/x
  3. Step 3: Cross multiply
    265,639.88x = 366,540.92 × 149,330.36
  4. Step 4: Simplify right side
    265,639.88x = 54,735,687,538.33
  5. Step 5: Solve for x
    x = 54,735,687,538.33/265,639.88
  6. Step 6: Final answer
    x = 206,052.22

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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.