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Finding the Fourth Proportional to 79,652.16, 109,922.91 and 43,843.68

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Solution

The fourth proportional to 79,652.16, 109,922.91 and 43,843.68 is: 60,505.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,652.16 : 109,922.91 = 43,843.68 : x
  2. Step 2: Convert to fraction form
    79,652.16/109,922.91 = 43,843.68/x
  3. Step 3: Cross multiply
    79,652.16x = 109,922.91 × 43,843.68
  4. Step 4: Simplify right side
    79,652.16x = 4,819,424,890.71
  5. Step 5: Solve for x
    x = 4,819,424,890.71/79,652.16
  6. Step 6: Final answer
    x = 60,505.89

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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.