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Finding the Fourth Proportional to 75,093.60, 103,627.60 and 41,101.28

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Solution

The fourth proportional to 75,093.60, 103,627.60 and 41,101.28 is: 56,718.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,093.60 : 103,627.60 = 41,101.28 : x
  2. Step 2: Convert to fraction form
    75,093.60/103,627.60 = 41,101.28/x
  3. Step 3: Cross multiply
    75,093.60x = 103,627.60 × 41,101.28
  4. Step 4: Simplify right side
    75,093.60x = 4,259,227,003.33
  5. Step 5: Solve for x
    x = 4,259,227,003.33/75,093.60
  6. Step 6: Final answer
    x = 56,718.91

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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.