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Finding the Fourth Proportional to 219,609, 303,060.42 and 119,007

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Solution

The fourth proportional to 219,609, 303,060.42 and 119,007 is: 164,229.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,609 : 303,060.42 = 119,007 : x
  2. Step 2: Convert to fraction form
    219,609/303,060.42 = 119,007/x
  3. Step 3: Cross multiply
    219,609x = 303,060.42 × 119,007
  4. Step 4: Simplify right side
    219,609x = 36,066,311,402.94
  5. Step 5: Solve for x
    x = 36,066,311,402.94/219,609
  6. Step 6: Final answer
    x = 164,229.66

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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.