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Finding the Fourth Proportional to 75,512.60, 104,208.60 and 41,522.60

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Solution

The fourth proportional to 75,512.60, 104,208.60 and 41,522.60 is: 57,301.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,512.60 : 104,208.60 = 41,522.60 : x
  2. Step 2: Convert to fraction form
    75,512.60/104,208.60 = 41,522.60/x
  3. Step 3: Cross multiply
    75,512.60x = 104,208.60 × 41,522.60
  4. Step 4: Simplify right side
    75,512.60x = 4,327,012,014.36
  5. Step 5: Solve for x
    x = 4,327,012,014.36/75,512.60
  6. Step 6: Final answer
    x = 57,301.85

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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.