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Finding the Fourth Proportional to 104,523.70, 156,785.55 and 62,949.30

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Solution

The fourth proportional to 104,523.70, 156,785.55 and 62,949.30 is: 94,423.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,523.70 : 156,785.55 = 62,949.30 : x
  2. Step 2: Convert to fraction form
    104,523.70/156,785.55 = 62,949.30/x
  3. Step 3: Cross multiply
    104,523.70x = 156,785.55 × 62,949.30
  4. Step 4: Simplify right side
    104,523.70x = 9,869,540,622.62
  5. Step 5: Solve for x
    x = 9,869,540,622.62/104,523.70
  6. Step 6: Final answer
    x = 94,423.95

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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.