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Finding the Fourth Proportional to 144,797.20, 217,217.40 and 51,295.60

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Solution

The fourth proportional to 144,797.20, 217,217.40 and 51,295.60 is: 76,951.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,797.20 : 217,217.40 = 51,295.60 : x
  2. Step 2: Convert to fraction form
    144,797.20/217,217.40 = 51,295.60/x
  3. Step 3: Cross multiply
    144,797.20x = 217,217.40 × 51,295.60
  4. Step 4: Simplify right side
    144,797.20x = 11,142,296,863.44
  5. Step 5: Solve for x
    x = 11,142,296,863.44/144,797.20
  6. Step 6: Final answer
    x = 76,951.05

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1.5x scale

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.