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Finding the Fourth Proportional to 79,233.44, 109,339.68 and 43,422.80

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Solution

The fourth proportional to 79,233.44, 109,339.68 and 43,422.80 is: 59,922.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,233.44 : 109,339.68 = 43,422.80 : x
  2. Step 2: Convert to fraction form
    79,233.44/109,339.68 = 43,422.80/x
  3. Step 3: Cross multiply
    79,233.44x = 109,339.68 × 43,422.80
  4. Step 4: Simplify right side
    79,233.44x = 4,747,835,056.70
  5. Step 5: Solve for x
    x = 4,747,835,056.70/79,233.44
  6. Step 6: Final answer
    x = 59,922.11

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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.