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Finding the Fourth Proportional to 148,282.84, 204,630.46 and 80,299.88

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Solution

The fourth proportional to 148,282.84, 204,630.46 and 80,299.88 is: 110,813.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,282.84 : 204,630.46 = 80,299.88 : x
  2. Step 2: Convert to fraction form
    148,282.84/204,630.46 = 80,299.88/x
  3. Step 3: Cross multiply
    148,282.84x = 204,630.46 × 80,299.88
  4. Step 4: Simplify right side
    148,282.84x = 16,431,801,693.17
  5. Step 5: Solve for x
    x = 16,431,801,693.17/148,282.84
  6. Step 6: Final answer
    x = 110,813.91

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Why These Related Problems?

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