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Finding the Fourth Proportional to 110,646, 165,553.56 and 104,644.08

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Solution

The fourth proportional to 110,646, 165,553.56 and 104,644.08 is: 156,573.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,646 : 165,553.56 = 104,644.08 : x
  2. Step 2: Convert to fraction form
    110,646/165,553.56 = 104,644.08/x
  3. Step 3: Cross multiply
    110,646x = 165,553.56 × 104,644.08
  4. Step 4: Simplify right side
    110,646x = 17,324,199,976.92
  5. Step 5: Solve for x
    x = 17,324,199,976.92/110,646
  6. Step 6: Final answer
    x = 156,573.22

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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.