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Finding the Fourth Proportional to 170,766.65, 256,162.28 and 65,585.62

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Solution

The fourth proportional to 170,766.65, 256,162.28 and 65,585.62 is: 98,383.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,766.65 : 256,162.28 = 65,585.62 : x
  2. Step 2: Convert to fraction form
    170,766.65/256,162.28 = 65,585.62/x
  3. Step 3: Cross multiply
    170,766.65x = 256,162.28 × 65,585.62
  4. Step 4: Simplify right side
    170,766.65x = 16,800,560,345.67
  5. Step 5: Solve for x
    x = 16,800,560,345.67/170,766.65
  6. Step 6: Final answer
    x = 98,383.15

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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.