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Finding the Fourth Proportional to 265,979.64, 367,099.38 and 158,556.54

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Solution

The fourth proportional to 265,979.64, 367,099.38 and 158,556.54 is: 218,836.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,979.64 : 367,099.38 = 158,556.54 : x
  2. Step 2: Convert to fraction form
    265,979.64/367,099.38 = 158,556.54/x
  3. Step 3: Cross multiply
    265,979.64x = 367,099.38 × 158,556.54
  4. Step 4: Simplify right side
    265,979.64x = 58,206,007,528.95
  5. Step 5: Solve for x
    x = 58,206,007,528.95/265,979.64
  6. Step 6: Final answer
    x = 218,836.33

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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.