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Finding the Fourth Proportional to 79,716.56, 110,008.53 and 43,906.46

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Solution

The fourth proportional to 79,716.56, 110,008.53 and 43,906.46 is: 60,590.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,716.56 : 110,008.53 = 43,906.46 : x
  2. Step 2: Convert to fraction form
    79,716.56/110,008.53 = 43,906.46/x
  3. Step 3: Cross multiply
    79,716.56x = 110,008.53 × 43,906.46
  4. Step 4: Simplify right side
    79,716.56x = 4,830,084,572.06
  5. Step 5: Solve for x
    x = 4,830,084,572.06/79,716.56
  6. Step 6: Final answer
    x = 60,590.73

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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.