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Finding the Fourth Proportional to 79,514.46, 109,733.94 and 43,709.22

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Solution

The fourth proportional to 79,514.46, 109,733.94 and 43,709.22 is: 60,320.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,514.46 : 109,733.94 = 43,709.22 : x
  2. Step 2: Convert to fraction form
    79,514.46/109,733.94 = 43,709.22/x
  3. Step 3: Cross multiply
    79,514.46x = 109,733.94 × 43,709.22
  4. Step 4: Simplify right side
    79,514.46x = 4,796,384,924.93
  5. Step 5: Solve for x
    x = 4,796,384,924.93/79,514.46
  6. Step 6: Final answer
    x = 60,320.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.