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Finding the Fourth Proportional to 71,654.54, 98,881.13 and 41,026.61

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Solution

The fourth proportional to 71,654.54, 98,881.13 and 41,026.61 is: 56,615.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,654.54 : 98,881.13 = 41,026.61 : x
  2. Step 2: Convert to fraction form
    71,654.54/98,881.13 = 41,026.61/x
  3. Step 3: Cross multiply
    71,654.54x = 98,881.13 × 41,026.61
  4. Step 4: Simplify right side
    71,654.54x = 4,056,757,906.64
  5. Step 5: Solve for x
    x = 4,056,757,906.64/71,654.54
  6. Step 6: Final answer
    x = 56,615.51

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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.