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Finding the Fourth Proportional to 132,604.35, 198,748.43 and 92,405.67

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Solution

The fourth proportional to 132,604.35, 198,748.43 and 92,405.67 is: 138,498.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,604.35 : 198,748.43 = 92,405.67 : x
  2. Step 2: Convert to fraction form
    132,604.35/198,748.43 = 92,405.67/x
  3. Step 3: Cross multiply
    132,604.35x = 198,748.43 × 92,405.67
  4. Step 4: Simplify right side
    132,604.35x = 18,365,481,835.60
  5. Step 5: Solve for x
    x = 18,365,481,835.60/132,604.35
  6. Step 6: Final answer
    x = 138,498.34

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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.