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Finding the Fourth Proportional to 202,310.40, 303,137.55 and 127,296.30

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Solution

The fourth proportional to 202,310.40, 303,137.55 and 127,296.30 is: 190,738.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,310.40 : 303,137.55 = 127,296.30 : x
  2. Step 2: Convert to fraction form
    202,310.40/303,137.55 = 127,296.30/x
  3. Step 3: Cross multiply
    202,310.40x = 303,137.55 × 127,296.30
  4. Step 4: Simplify right side
    202,310.40x = 38,588,288,506.07
  5. Step 5: Solve for x
    x = 38,588,288,506.07/202,310.40
  6. Step 6: Final answer
    x = 190,738.04

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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.