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Finding the Fourth Proportional to 88,108.60, 132,163.44 and 21,549.28

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Solution

The fourth proportional to 88,108.60, 132,163.44 and 21,549.28 is: 32,324.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,108.60 : 132,163.44 = 21,549.28 : x
  2. Step 2: Convert to fraction form
    88,108.60/132,163.44 = 21,549.28/x
  3. Step 3: Cross multiply
    88,108.60x = 132,163.44 × 21,549.28
  4. Step 4: Simplify right side
    88,108.60x = 2,848,026,974.32
  5. Step 5: Solve for x
    x = 2,848,026,974.32/88,108.60
  6. Step 6: Final answer
    x = 32,324.05

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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.