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Finding the Fourth Proportional to 71,826.44, 98,906.56 and 70,233.32

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Solution

The fourth proportional to 71,826.44, 98,906.56 and 70,233.32 is: 96,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,826.44 : 98,906.56 = 70,233.32 : x
  2. Step 2: Convert to fraction form
    71,826.44/98,906.56 = 70,233.32/x
  3. Step 3: Cross multiply
    71,826.44x = 98,906.56 × 70,233.32
  4. Step 4: Simplify right side
    71,826.44x = 6,946,536,078.58
  5. Step 5: Solve for x
    x = 6,946,536,078.58/71,826.44
  6. Step 6: Final answer
    x = 96,712.80

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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.