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Finding the Fourth Proportional to 307,764.75, 461,673.57 and 108,067.98

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Solution

The fourth proportional to 307,764.75, 461,673.57 and 108,067.98 is: 162,111.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,764.75 : 461,673.57 = 108,067.98 : x
  2. Step 2: Convert to fraction form
    307,764.75/461,673.57 = 108,067.98/x
  3. Step 3: Cross multiply
    307,764.75x = 461,673.57 × 108,067.98
  4. Step 4: Simplify right side
    307,764.75x = 49,892,130,129.29
  5. Step 5: Solve for x
    x = 49,892,130,129.29/307,764.75
  6. Step 6: Final answer
    x = 162,111.26

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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.