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Finding the Fourth Proportional to 171,841.88, 257,951.39 and 136,530.18

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Solution

The fourth proportional to 171,841.88, 257,951.39 and 136,530.18 is: 204,945.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,841.88 : 257,951.39 = 136,530.18 : x
  2. Step 2: Convert to fraction form
    171,841.88/257,951.39 = 136,530.18/x
  3. Step 3: Cross multiply
    171,841.88x = 257,951.39 × 136,530.18
  4. Step 4: Simplify right side
    171,841.88x = 35,218,149,025.30
  5. Step 5: Solve for x
    x = 35,218,149,025.30/171,841.88
  6. Step 6: Final answer
    x = 204,945.09

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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.