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Finding the Fourth Proportional to 183,876, 275,880.42 and 90,447.36

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Solution

The fourth proportional to 183,876, 275,880.42 and 90,447.36 is: 135,703.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,876 : 275,880.42 = 90,447.36 : x
  2. Step 2: Convert to fraction form
    183,876/275,880.42 = 90,447.36/x
  3. Step 3: Cross multiply
    183,876x = 275,880.42 × 90,447.36
  4. Step 4: Simplify right side
    183,876x = 24,952,655,664.69
  5. Step 5: Solve for x
    x = 24,952,655,664.69/183,876
  6. Step 6: Final answer
    x = 135,703.71

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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.