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Finding the Fourth Proportional to 88,468.48, 132,745.22 and 55,180

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Solution

The fourth proportional to 88,468.48, 132,745.22 and 55,180 is: 82,796.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,468.48 : 132,745.22 = 55,180 : x
  2. Step 2: Convert to fraction form
    88,468.48/132,745.22 = 55,180/x
  3. Step 3: Cross multiply
    88,468.48x = 132,745.22 × 55,180
  4. Step 4: Simplify right side
    88,468.48x = 7,324,881,239.60
  5. Step 5: Solve for x
    x = 7,324,881,239.60/88,468.48
  6. Step 6: Final answer
    x = 82,796.51

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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.