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Finding the Fourth Proportional to 295,367.15, 443,029.23 and 115,418.87

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Solution

The fourth proportional to 295,367.15, 443,029.23 and 115,418.87 is: 173,119.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,367.15 : 443,029.23 = 115,418.87 : x
  2. Step 2: Convert to fraction form
    295,367.15/443,029.23 = 115,418.87/x
  3. Step 3: Cross multiply
    295,367.15x = 443,029.23 × 115,418.87
  4. Step 4: Simplify right side
    295,367.15x = 51,133,933,103.57
  5. Step 5: Solve for x
    x = 51,133,933,103.57/295,367.15
  6. Step 6: Final answer
    x = 173,119.91

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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.