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Finding the Fourth Proportional to 119,674.88, 165,160.84 and 65,969.44

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Solution

The fourth proportional to 119,674.88, 165,160.84 and 65,969.44 is: 91,043.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,674.88 : 165,160.84 = 65,969.44 : x
  2. Step 2: Convert to fraction form
    119,674.88/165,160.84 = 65,969.44/x
  3. Step 3: Cross multiply
    119,674.88x = 165,160.84 × 65,969.44
  4. Step 4: Simplify right side
    119,674.88x = 10,895,568,124.73
  5. Step 5: Solve for x
    x = 10,895,568,124.73/119,674.88
  6. Step 6: Final answer
    x = 91,043.07

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1.5x scale

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.