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Finding the Fourth Proportional to 88,830.88, 133,236.96 and 29,660

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Solution

The fourth proportional to 88,830.88, 133,236.96 and 29,660 is: 44,486.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,830.88 : 133,236.96 = 29,660 : x
  2. Step 2: Convert to fraction form
    88,830.88/133,236.96 = 29,660/x
  3. Step 3: Cross multiply
    88,830.88x = 133,236.96 × 29,660
  4. Step 4: Simplify right side
    88,830.88x = 3,951,808,233.60
  5. Step 5: Solve for x
    x = 3,951,808,233.60/88,830.88
  6. Step 6: Final answer
    x = 44,486.87

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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.