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Finding the Fourth Proportional to 79,625.82, 109,884.16 and 43,814.91

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Solution

The fourth proportional to 79,625.82, 109,884.16 and 43,814.91 is: 60,464.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,625.82 : 109,884.16 = 43,814.91 : x
  2. Step 2: Convert to fraction form
    79,625.82/109,884.16 = 43,814.91/x
  3. Step 3: Cross multiply
    79,625.82x = 109,884.16 × 43,814.91
  4. Step 4: Simplify right side
    79,625.82x = 4,814,564,580.83
  5. Step 5: Solve for x
    x = 4,814,564,580.83/79,625.82
  6. Step 6: Final answer
    x = 60,464.87

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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.