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Finding the Fourth Proportional to 119,710.35, 165,201.35 and 65,997.26

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Solution

The fourth proportional to 119,710.35, 165,201.35 and 65,997.26 is: 91,076.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,710.35 : 165,201.35 = 65,997.26 : x
  2. Step 2: Convert to fraction form
    119,710.35/165,201.35 = 65,997.26/x
  3. Step 3: Cross multiply
    119,710.35x = 165,201.35 × 65,997.26
  4. Step 4: Simplify right side
    119,710.35x = 10,902,836,448.30
  5. Step 5: Solve for x
    x = 10,902,836,448.30/119,710.35
  6. Step 6: Final answer
    x = 91,076.81

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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.