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Finding the Fourth Proportional to 96,231, 132,857.10 and 62,755.32

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Solution

The fourth proportional to 96,231, 132,857.10 and 62,755.32 is: 86,640.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,231 : 132,857.10 = 62,755.32 : x
  2. Step 2: Convert to fraction form
    96,231/132,857.10 = 62,755.32/x
  3. Step 3: Cross multiply
    96,231x = 132,857.10 × 62,755.32
  4. Step 4: Simplify right side
    96,231x = 8,337,489,824.77
  5. Step 5: Solve for x
    x = 8,337,489,824.77/96,231
  6. Step 6: Final answer
    x = 86,640.37

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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.