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Finding the Fourth Proportional to 271,573.11, 407,353.48 and 159,961.33

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Solution

The fourth proportional to 271,573.11, 407,353.48 and 159,961.33 is: 239,938.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,573.11 : 407,353.48 = 159,961.33 : x
  2. Step 2: Convert to fraction form
    271,573.11/407,353.48 = 159,961.33/x
  3. Step 3: Cross multiply
    271,573.11x = 407,353.48 × 159,961.33
  4. Step 4: Simplify right side
    271,573.11x = 65,160,804,440.93
  5. Step 5: Solve for x
    x = 65,160,804,440.93/271,573.11
  6. Step 6: Final answer
    x = 239,938.35

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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.