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Finding the Fourth Proportional to 170,765.96, 256,161.23 and 65,584.92

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Solution

The fourth proportional to 170,765.96, 256,161.23 and 65,584.92 is: 98,382.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,765.96 : 256,161.23 = 65,584.92 : x
  2. Step 2: Convert to fraction form
    170,765.96/256,161.23 = 65,584.92/x
  3. Step 3: Cross multiply
    170,765.96x = 256,161.23 × 65,584.92
  4. Step 4: Simplify right side
    170,765.96x = 16,800,313,776.65
  5. Step 5: Solve for x
    x = 16,800,313,776.65/170,765.96
  6. Step 6: Final answer
    x = 98,382.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.