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Finding the Fourth Proportional to 89,671.92, 134,508 and 23,112.24

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Solution

The fourth proportional to 89,671.92, 134,508 and 23,112.24 is: 34,668.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,671.92 : 134,508 = 23,112.24 : x
  2. Step 2: Convert to fraction form
    89,671.92/134,508 = 23,112.24/x
  3. Step 3: Cross multiply
    89,671.92x = 134,508 × 23,112.24
  4. Step 4: Simplify right side
    89,671.92x = 3,108,781,177.92
  5. Step 5: Solve for x
    x = 3,108,781,177.92/89,671.92
  6. Step 6: Final answer
    x = 34,668.39

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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.