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Finding the Fourth Proportional to 200,744.70, 300,771.45 and 169,640.70

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Solution

The fourth proportional to 200,744.70, 300,771.45 and 169,640.70 is: 254,169.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,744.70 : 300,771.45 = 169,640.70 : x
  2. Step 2: Convert to fraction form
    200,744.70/300,771.45 = 169,640.70/x
  3. Step 3: Cross multiply
    200,744.70x = 300,771.45 × 169,640.70
  4. Step 4: Simplify right side
    200,744.70x = 51,023,079,318.02
  5. Step 5: Solve for x
    x = 51,023,079,318.02/200,744.70
  6. Step 6: Final answer
    x = 254,169.00

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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.