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Finding the Fourth Proportional to 170,310.13, 255,472.25 and 63,683.28

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Solution

The fourth proportional to 170,310.13, 255,472.25 and 63,683.28 is: 95,527.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,310.13 : 255,472.25 = 63,683.28 : x
  2. Step 2: Convert to fraction form
    170,310.13/255,472.25 = 63,683.28/x
  3. Step 3: Cross multiply
    170,310.13x = 255,472.25 × 63,683.28
  4. Step 4: Simplify right side
    170,310.13x = 16,269,310,510.56
  5. Step 5: Solve for x
    x = 16,269,310,510.56/170,310.13
  6. Step 6: Final answer
    x = 95,527.56

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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.