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Finding the Fourth Proportional to 170,792.70, 256,189.05 and 82,024.80

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Solution

The fourth proportional to 170,792.70, 256,189.05 and 82,024.80 is: 123,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,792.70 : 256,189.05 = 82,024.80 : x
  2. Step 2: Convert to fraction form
    170,792.70/256,189.05 = 82,024.80/x
  3. Step 3: Cross multiply
    170,792.70x = 256,189.05 × 82,024.80
  4. Step 4: Simplify right side
    170,792.70x = 21,013,855,588.44
  5. Step 5: Solve for x
    x = 21,013,855,588.44/170,792.70
  6. Step 6: Final answer
    x = 123,037.20

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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.