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Finding the Fourth Proportional to 88,489.80, 132,738.48 and 29,330.64

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Solution

The fourth proportional to 88,489.80, 132,738.48 and 29,330.64 is: 43,997.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,489.80 : 132,738.48 = 29,330.64 : x
  2. Step 2: Convert to fraction form
    88,489.80/132,738.48 = 29,330.64/x
  3. Step 3: Cross multiply
    88,489.80x = 132,738.48 × 29,330.64
  4. Step 4: Simplify right side
    88,489.80x = 3,893,304,571.03
  5. Step 5: Solve for x
    x = 3,893,304,571.03/88,489.80
  6. Step 6: Final answer
    x = 43,997.21

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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.