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Finding the Fourth Proportional to 119,662.97, 165,136.02 and 65,949.94

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Solution

The fourth proportional to 119,662.97, 165,136.02 and 65,949.94 is: 91,011.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,662.97 : 165,136.02 = 65,949.94 : x
  2. Step 2: Convert to fraction form
    119,662.97/165,136.02 = 65,949.94/x
  3. Step 3: Cross multiply
    119,662.97x = 165,136.02 × 65,949.94
  4. Step 4: Simplify right side
    119,662.97x = 10,890,710,569.95
  5. Step 5: Solve for x
    x = 10,890,710,569.95/119,662.97
  6. Step 6: Final answer
    x = 91,011.54

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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.