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Finding the Fourth Proportional to 79,934.92, 119,902.30 and 23,774.80

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Solution

The fourth proportional to 79,934.92, 119,902.30 and 23,774.80 is: 35,662.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,934.92 : 119,902.30 = 23,774.80 : x
  2. Step 2: Convert to fraction form
    79,934.92/119,902.30 = 23,774.80/x
  3. Step 3: Cross multiply
    79,934.92x = 119,902.30 × 23,774.80
  4. Step 4: Simplify right side
    79,934.92x = 2,850,653,202.04
  5. Step 5: Solve for x
    x = 2,850,653,202.04/79,934.92
  6. Step 6: Final answer
    x = 35,662.18

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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.