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Finding the Fourth Proportional to 200,161.46, 300,169.37 and 67,010.07

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Solution

The fourth proportional to 200,161.46, 300,169.37 and 67,010.07 is: 100,490.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,161.46 : 300,169.37 = 67,010.07 : x
  2. Step 2: Convert to fraction form
    200,161.46/300,169.37 = 67,010.07/x
  3. Step 3: Cross multiply
    200,161.46x = 300,169.37 × 67,010.07
  4. Step 4: Simplify right side
    200,161.46x = 20,114,370,160.51
  5. Step 5: Solve for x
    x = 20,114,370,160.51/200,161.46
  6. Step 6: Final answer
    x = 100,490.73

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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.