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Finding the Fourth Proportional to 219,979.62, 303,572.07 and 119,377.62

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Solution

The fourth proportional to 219,979.62, 303,572.07 and 119,377.62 is: 164,741.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,979.62 : 303,572.07 = 119,377.62 : x
  2. Step 2: Convert to fraction form
    219,979.62/303,572.07 = 119,377.62/x
  3. Step 3: Cross multiply
    219,979.62x = 303,572.07 × 119,377.62
  4. Step 4: Simplify right side
    219,979.62x = 36,239,711,215.07
  5. Step 5: Solve for x
    x = 36,239,711,215.07/219,979.62
  6. Step 6: Final answer
    x = 164,741.22

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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.