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Finding the Fourth Proportional to 109,781.01, 164,649.63 and 50,608.08

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Solution

The fourth proportional to 109,781.01, 164,649.63 and 50,608.08 is: 75,902.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,781.01 : 164,649.63 = 50,608.08 : x
  2. Step 2: Convert to fraction form
    109,781.01/164,649.63 = 50,608.08/x
  3. Step 3: Cross multiply
    109,781.01x = 164,649.63 × 50,608.08
  4. Step 4: Simplify right side
    109,781.01x = 8,332,601,647.01
  5. Step 5: Solve for x
    x = 8,332,601,647.01/109,781.01
  6. Step 6: Final answer
    x = 75,902.03

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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.