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Finding the Fourth Proportional to 219,900.11, 303,462.74 and 119,298.11

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Solution

The fourth proportional to 219,900.11, 303,462.74 and 119,298.11 is: 164,631.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,900.11 : 303,462.74 = 119,298.11 : x
  2. Step 2: Convert to fraction form
    219,900.11/303,462.74 = 119,298.11/x
  3. Step 3: Cross multiply
    219,900.11x = 303,462.74 × 119,298.11
  4. Step 4: Simplify right side
    219,900.11x = 36,202,530,740.93
  5. Step 5: Solve for x
    x = 36,202,530,740.93/219,900.11
  6. Step 6: Final answer
    x = 164,631.71

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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.