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Finding the Fourth Proportional to 79,202.62, 118,822.47 and 23,043.97

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Solution

The fourth proportional to 79,202.62, 118,822.47 and 23,043.97 is: 34,571.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,202.62 : 118,822.47 = 23,043.97 : x
  2. Step 2: Convert to fraction form
    79,202.62/118,822.47 = 23,043.97/x
  3. Step 3: Cross multiply
    79,202.62x = 118,822.47 × 23,043.97
  4. Step 4: Simplify right side
    79,202.62x = 2,738,141,434.01
  5. Step 5: Solve for x
    x = 2,738,141,434.01/79,202.62
  6. Step 6: Final answer
    x = 34,571.35

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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.