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Finding the Fourth Proportional to 203,080.26, 304,620.40 and 55,336.26

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Solution

The fourth proportional to 203,080.26, 304,620.40 and 55,336.26 is: 83,004.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,080.26 : 304,620.40 = 55,336.26 : x
  2. Step 2: Convert to fraction form
    203,080.26/304,620.40 = 55,336.26/x
  3. Step 3: Cross multiply
    203,080.26x = 304,620.40 × 55,336.26
  4. Step 4: Simplify right side
    203,080.26x = 16,856,553,655.70
  5. Step 5: Solve for x
    x = 16,856,553,655.70/203,080.26
  6. Step 6: Final answer
    x = 83,004.39

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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.