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Finding the Fourth Proportional to 167,229.69, 230,776.97 and 100,161.69

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Solution

The fourth proportional to 167,229.69, 230,776.97 and 100,161.69 is: 138,223.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,229.69 : 230,776.97 = 100,161.69 : x
  2. Step 2: Convert to fraction form
    167,229.69/230,776.97 = 100,161.69/x
  3. Step 3: Cross multiply
    167,229.69x = 230,776.97 × 100,161.69
  4. Step 4: Simplify right side
    167,229.69x = 23,115,011,328.28
  5. Step 5: Solve for x
    x = 23,115,011,328.28/167,229.69
  6. Step 6: Final answer
    x = 138,223.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.