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Finding the Fourth Proportional to 88,322.49, 132,489.90 and 29,199.78

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Solution

The fourth proportional to 88,322.49, 132,489.90 and 29,199.78 is: 43,801.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,322.49 : 132,489.90 = 29,199.78 : x
  2. Step 2: Convert to fraction form
    88,322.49/132,489.90 = 29,199.78/x
  3. Step 3: Cross multiply
    88,322.49x = 132,489.90 × 29,199.78
  4. Step 4: Simplify right side
    88,322.49x = 3,868,675,932.22
  5. Step 5: Solve for x
    x = 3,868,675,932.22/88,322.49
  6. Step 6: Final answer
    x = 43,801.71

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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.