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Finding the Fourth Proportional to 307,705.38, 461,764.24 and 108,026.36

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Solution

The fourth proportional to 307,705.38, 461,764.24 and 108,026.36 is: 162,111.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,705.38 : 461,764.24 = 108,026.36 : x
  2. Step 2: Convert to fraction form
    307,705.38/461,764.24 = 108,026.36/x
  3. Step 3: Cross multiply
    307,705.38x = 461,764.24 × 108,026.36
  4. Step 4: Simplify right side
    307,705.38x = 49,882,707,716.55
  5. Step 5: Solve for x
    x = 49,882,707,716.55/307,705.38
  6. Step 6: Final answer
    x = 162,111.91

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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.