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Finding the Fourth Proportional to 95,982, 132,664.92 and 84,564.24

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Solution

The fourth proportional to 95,982, 132,664.92 and 84,564.24 is: 116,883.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,982 : 132,664.92 = 84,564.24 : x
  2. Step 2: Convert to fraction form
    95,982/132,664.92 = 84,564.24/x
  3. Step 3: Cross multiply
    95,982x = 132,664.92 × 84,564.24
  4. Step 4: Simplify right side
    95,982x = 11,218,708,134.46
  5. Step 5: Solve for x
    x = 11,218,708,134.46/95,982
  6. Step 6: Final answer
    x = 116,883.46

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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.