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Finding the Fourth Proportional to 219,769.88, 303,282.59 and 119,167.88

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Solution

The fourth proportional to 219,769.88, 303,282.59 and 119,167.88 is: 164,451.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,769.88 : 303,282.59 = 119,167.88 : x
  2. Step 2: Convert to fraction form
    219,769.88/303,282.59 = 119,167.88/x
  3. Step 3: Cross multiply
    219,769.88x = 303,282.59 × 119,167.88
  4. Step 4: Simplify right side
    219,769.88x = 36,141,541,178.96
  5. Step 5: Solve for x
    x = 36,141,541,178.96/219,769.88
  6. Step 6: Final answer
    x = 164,451.75

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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.