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Finding the Fourth Proportional to 219,973.11, 303,562.86 and 119,371.11

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Solution

The fourth proportional to 219,973.11, 303,562.86 and 119,371.11 is: 164,732.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,973.11 : 303,562.86 = 119,371.11 : x
  2. Step 2: Convert to fraction form
    219,973.11/303,562.86 = 119,371.11/x
  3. Step 3: Cross multiply
    219,973.11x = 303,562.86 × 119,371.11
  4. Step 4: Simplify right side
    219,973.11x = 36,236,635,552.97
  5. Step 5: Solve for x
    x = 36,236,635,552.97/219,973.11
  6. Step 6: Final answer
    x = 164,732.11

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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.