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Finding the Fourth Proportional to 88,348.57, 132,503.78 and 29,170.21

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Solution

The fourth proportional to 88,348.57, 132,503.78 and 29,170.21 is: 43,749.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,348.57 : 132,503.78 = 29,170.21 : x
  2. Step 2: Convert to fraction form
    88,348.57/132,503.78 = 29,170.21/x
  3. Step 3: Cross multiply
    88,348.57x = 132,503.78 × 29,170.21
  4. Step 4: Simplify right side
    88,348.57x = 3,865,162,942.54
  5. Step 5: Solve for x
    x = 3,865,162,942.54/88,348.57
  6. Step 6: Final answer
    x = 43,749.02

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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.