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Finding the Fourth Proportional to 75,921.32, 104,769.62 and 41,929.12

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Solution

The fourth proportional to 75,921.32, 104,769.62 and 41,929.12 is: 57,861.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,921.32 : 104,769.62 = 41,929.12 : x
  2. Step 2: Convert to fraction form
    75,921.32/104,769.62 = 41,929.12/x
  3. Step 3: Cross multiply
    75,921.32x = 104,769.62 × 41,929.12
  4. Step 4: Simplify right side
    75,921.32x = 4,392,897,969.33
  5. Step 5: Solve for x
    x = 4,392,897,969.33/75,921.32
  6. Step 6: Final answer
    x = 57,861.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.