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Finding the Fourth Proportional to 132,492.42, 198,745.01 and 43,743.96

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Solution

The fourth proportional to 132,492.42, 198,745.01 and 43,743.96 is: 65,618.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,492.42 : 198,745.01 = 43,743.96 : x
  2. Step 2: Convert to fraction form
    132,492.42/198,745.01 = 43,743.96/x
  3. Step 3: Cross multiply
    132,492.42x = 198,745.01 × 43,743.96
  4. Step 4: Simplify right side
    132,492.42x = 8,693,893,712.96
  5. Step 5: Solve for x
    x = 8,693,893,712.96/132,492.42
  6. Step 6: Final answer
    x = 65,618.05

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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.