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Finding the Fourth Proportional to 148,434.84, 204,840.18 and 80,452.44

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Solution

The fourth proportional to 148,434.84, 204,840.18 and 80,452.44 is: 111,024.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,434.84 : 204,840.18 = 80,452.44 : x
  2. Step 2: Convert to fraction form
    148,434.84/204,840.18 = 80,452.44/x
  3. Step 3: Cross multiply
    148,434.84x = 204,840.18 × 80,452.44
  4. Step 4: Simplify right side
    148,434.84x = 16,479,892,291.04
  5. Step 5: Solve for x
    x = 16,479,892,291.04/148,434.84
  6. Step 6: Final answer
    x = 111,024.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.