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Finding the Fourth Proportional to 79,825.80, 119,717.10 and 23,665.80

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Solution

The fourth proportional to 79,825.80, 119,717.10 and 23,665.80 is: 35,492.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,825.80 : 119,717.10 = 23,665.80 : x
  2. Step 2: Convert to fraction form
    79,825.80/119,717.10 = 23,665.80/x
  3. Step 3: Cross multiply
    79,825.80x = 119,717.10 × 23,665.80
  4. Step 4: Simplify right side
    79,825.80x = 2,833,200,945.18
  5. Step 5: Solve for x
    x = 2,833,200,945.18/79,825.80
  6. Step 6: Final answer
    x = 35,492.30

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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.