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Finding the Fourth Proportional to 132,328.20, 198,492.30 and 113,301.30

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Solution

The fourth proportional to 132,328.20, 198,492.30 and 113,301.30 is: 169,951.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,328.20 : 198,492.30 = 113,301.30 : x
  2. Step 2: Convert to fraction form
    132,328.20/198,492.30 = 113,301.30/x
  3. Step 3: Cross multiply
    132,328.20x = 198,492.30 × 113,301.30
  4. Step 4: Simplify right side
    132,328.20x = 22,489,435,629.99
  5. Step 5: Solve for x
    x = 22,489,435,629.99/132,328.20
  6. Step 6: Final answer
    x = 169,951.95

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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.