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Finding the Fourth Proportional to 230,500.45, 345,553.46 and 88,447.66

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Solution

The fourth proportional to 230,500.45, 345,553.46 and 88,447.66 is: 132,595.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,500.45 : 345,553.46 = 88,447.66 : x
  2. Step 2: Convert to fraction form
    230,500.45/345,553.46 = 88,447.66/x
  3. Step 3: Cross multiply
    230,500.45x = 345,553.46 × 88,447.66
  4. Step 4: Simplify right side
    230,500.45x = 30,563,394,499.67
  5. Step 5: Solve for x
    x = 30,563,394,499.67/230,500.45
  6. Step 6: Final answer
    x = 132,595.82

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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.