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Finding the Fourth Proportional to 132,492.67, 198,745.38 and 43,744.21

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Solution

The fourth proportional to 132,492.67, 198,745.38 and 43,744.21 is: 65,618.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,492.67 : 198,745.38 = 43,744.21 : x
  2. Step 2: Convert to fraction form
    132,492.67/198,745.38 = 43,744.21/x
  3. Step 3: Cross multiply
    132,492.67x = 198,745.38 × 43,744.21
  4. Step 4: Simplify right side
    132,492.67x = 8,693,959,639.25
  5. Step 5: Solve for x
    x = 8,693,959,639.25/132,492.67
  6. Step 6: Final answer
    x = 65,618.42

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1.5x scale

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.