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Finding the Fourth Proportional to 132,166.04, 198,445.90 and 53,434.04

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Solution

The fourth proportional to 132,166.04, 198,445.90 and 53,434.04 is: 80,230.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,166.04 : 198,445.90 = 53,434.04 : x
  2. Step 2: Convert to fraction form
    132,166.04/198,445.90 = 53,434.04/x
  3. Step 3: Cross multiply
    132,166.04x = 198,445.90 × 53,434.04
  4. Step 4: Simplify right side
    132,166.04x = 10,603,766,158.44
  5. Step 5: Solve for x
    x = 10,603,766,158.44/132,166.04
  6. Step 6: Final answer
    x = 80,230.64

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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.