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Finding the Fourth Proportional to 230,611.12, 346,023.44 and 88,408.83

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Solution

The fourth proportional to 230,611.12, 346,023.44 and 88,408.83 is: 132,654.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,611.12 : 346,023.44 = 88,408.83 : x
  2. Step 2: Convert to fraction form
    230,611.12/346,023.44 = 88,408.83/x
  3. Step 3: Cross multiply
    230,611.12x = 346,023.44 × 88,408.83
  4. Step 4: Simplify right side
    230,611.12x = 30,591,529,167.35
  5. Step 5: Solve for x
    x = 30,591,529,167.35/230,611.12
  6. Step 6: Final answer
    x = 132,654.18

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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.