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Finding the Fourth Proportional to 170,650.26, 255,866.04 and 70,879.32

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Solution

The fourth proportional to 170,650.26, 255,866.04 and 70,879.32 is: 106,273.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,650.26 : 255,866.04 = 70,879.32 : x
  2. Step 2: Convert to fraction form
    170,650.26/255,866.04 = 70,879.32/x
  3. Step 3: Cross multiply
    170,650.26x = 255,866.04 × 70,879.32
  4. Step 4: Simplify right side
    170,650.26x = 18,135,610,926.29
  5. Step 5: Solve for x
    x = 18,135,610,926.29/170,650.26
  6. Step 6: Final answer
    x = 106,273.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.