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Finding the Fourth Proportional to 317,093.72, 475,649.24 and 92,448.73

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Solution

The fourth proportional to 317,093.72, 475,649.24 and 92,448.73 is: 138,675.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,093.72 : 475,649.24 = 92,448.73 : x
  2. Step 2: Convert to fraction form
    317,093.72/475,649.24 = 92,448.73/x
  3. Step 3: Cross multiply
    317,093.72x = 475,649.24 × 92,448.73
  4. Step 4: Simplify right side
    317,093.72x = 43,973,165,322.98
  5. Step 5: Solve for x
    x = 43,973,165,322.98/317,093.72
  6. Step 6: Final answer
    x = 138,675.61

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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.