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Finding the Fourth Proportional to 71,536.77, 98,717.22 and 39,270.60

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Solution

The fourth proportional to 71,536.77, 98,717.22 and 39,270.60 is: 54,191.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,536.77 : 98,717.22 = 39,270.60 : x
  2. Step 2: Convert to fraction form
    71,536.77/98,717.22 = 39,270.60/x
  3. Step 3: Cross multiply
    71,536.77x = 98,717.22 × 39,270.60
  4. Step 4: Simplify right side
    71,536.77x = 3,876,684,459.73
  5. Step 5: Solve for x
    x = 3,876,684,459.73/71,536.77
  6. Step 6: Final answer
    x = 54,191.49

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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.