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Finding the Fourth Proportional to 167,229.19, 230,776.28 and 100,161.19

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Solution

The fourth proportional to 167,229.19, 230,776.28 and 100,161.19 is: 138,222.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,229.19 : 230,776.28 = 100,161.19 : x
  2. Step 2: Convert to fraction form
    167,229.19/230,776.28 = 100,161.19/x
  3. Step 3: Cross multiply
    167,229.19x = 230,776.28 × 100,161.19
  4. Step 4: Simplify right side
    167,229.19x = 23,114,826,828.57
  5. Step 5: Solve for x
    x = 23,114,826,828.57/167,229.19
  6. Step 6: Final answer
    x = 138,222.44

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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.