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Finding the Fourth Proportional to 219,942.29, 303,520.21 and 119,340.29

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Solution

The fourth proportional to 219,942.29, 303,520.21 and 119,340.29 is: 164,689.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,942.29 : 303,520.21 = 119,340.29 : x
  2. Step 2: Convert to fraction form
    219,942.29/303,520.21 = 119,340.29/x
  3. Step 3: Cross multiply
    219,942.29x = 303,520.21 × 119,340.29
  4. Step 4: Simplify right side
    219,942.29x = 36,222,189,306.70
  5. Step 5: Solve for x
    x = 36,222,189,306.70/219,942.29
  6. Step 6: Final answer
    x = 164,689.52

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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.