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Finding the Fourth Proportional to 219,614.25, 303,067.68 and 119,012.25

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Solution

The fourth proportional to 219,614.25, 303,067.68 and 119,012.25 is: 164,236.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,614.25 : 303,067.68 = 119,012.25 : x
  2. Step 2: Convert to fraction form
    219,614.25/303,067.68 = 119,012.25/x
  3. Step 3: Cross multiply
    219,614.25x = 303,067.68 × 119,012.25
  4. Step 4: Simplify right side
    219,614.25x = 36,068,766,499.08
  5. Step 5: Solve for x
    x = 36,068,766,499.08/219,614.25
  6. Step 6: Final answer
    x = 164,236.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.