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Finding the Fourth Proportional to 219,973.76, 303,563.78 and 119,371.76

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Solution

The fourth proportional to 219,973.76, 303,563.78 and 119,371.76 is: 164,733.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,973.76 : 303,563.78 = 119,371.76 : x
  2. Step 2: Convert to fraction form
    219,973.76/303,563.78 = 119,371.76/x
  3. Step 3: Cross multiply
    219,973.76x = 303,563.78 × 119,371.76
  4. Step 4: Simplify right side
    219,973.76x = 36,236,942,833.65
  5. Step 5: Solve for x
    x = 36,236,942,833.65/219,973.76
  6. Step 6: Final answer
    x = 164,733.03

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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.